DOAJ Directory of Open Access Journals (833)
DOAJ Directory of Open Access Journals ausschließen
Elsevier BV (CrossRef) (714)
Elsevier BV (CrossRef) ausschließen
Springer Science and Business Media LLC (CrossRef) (467)
Springer Science and Business Media LLC (CrossRef) ausschließen
American Physical Society (APS) (CrossRef) (256)
American Physical Society (APS) (CrossRef) ausschließen
Wiley (CrossRef) (229)
Wiley (CrossRef) ausschließen
Ovid Technologies (Wolters Kluwer Health) (CrossRef) (193)
Ovid Technologies (Wolters Kluwer Health) (CrossRef) ausschließen
American Chemical Society (ACS) (CrossRef) (144)
American Chemical Society (ACS) (CrossRef) ausschließen
Oxford University Press (OUP) (CrossRef) (91)
Oxford University Press (OUP) (CrossRef) ausschließen
JSTOR Life Sciences Archive (76)
JSTOR Life Sciences Archive ausschließen
JSTOR Health & General Sciences (56)
JSTOR Health & General Sciences ausschließen
Informa UK Limited (CrossRef) (55)
Informa UK Limited (CrossRef) ausschließen
Verbunddaten SWB (55)
Verbunddaten SWB ausschließen
SAGE Publications (CrossRef) (52)
SAGE Publications (CrossRef) ausschließen
American Diabetes Association (CrossRef) (44)
American Diabetes Association (CrossRef) ausschließen
American Association for the Advancement of Science (AAAS) (CrossRef) (38)
American Association for the Advancement of Science (AAAS) (CrossRef) ausschließen
IOP Publishing (CrossRef) (36)
IOP Publishing (CrossRef) ausschließen
American Society of Hematology (CrossRef) (33)
American Society of Hematology (CrossRef) ausschließen
Lizenzfreie Online-Ressourcen (33)
Lizenzfreie Online-Ressourcen ausschließen
American Association for Cancer Research (AACR) (CrossRef) (32)
American Association for Cancer Research (AACR) (CrossRef) ausschließen
Public Library of Science (PLoS) (CrossRef) (31)
Public Library of Science (PLoS) (CrossRef) ausschließen
SPIE (CrossRef) (30)
SPIE (CrossRef) ausschließen
American Medical Association (AMA) (CrossRef) (29)
American Medical Association (AMA) (CrossRef) ausschließen
JSTOR (CrossRef) (27)
JSTOR (CrossRef) ausschließen
National Academy of Sciences (CrossRef) (27)
National Academy of Sciences (CrossRef) ausschließen
BASE - Bielefeld Academic Search Engine (25)
BASE - Bielefeld Academic Search Engine ausschließen
American Society of Clinical Oncology (ASCO) (CrossRef) (22)
American Society of Clinical Oncology (ASCO) (CrossRef) ausschließen
Georg Thieme Verlag KG (CrossRef) (17)
Georg Thieme Verlag KG (CrossRef) ausschließen
Institute of Electrical and Electronics Engineers (IEEE) (CrossRef) (17)
Institute of Electrical and Electronics Engineers (IEEE) (CrossRef) ausschließen
Royal Society of Chemistry (RSC) (CrossRef) (17)
Royal Society of Chemistry (RSC) (CrossRef) ausschließen
JSTOR Arts & Sciences II Archive (16)
JSTOR Arts & Sciences II Archive ausschließen
Cambridge University Press (CUP) (CrossRef) (15)
Cambridge University Press (CUP) (CrossRef) ausschließen
AIP Publishing (CrossRef) (14)
AIP Publishing (CrossRef) ausschließen
American Society for Microbiology (CrossRef) (14)
American Society for Microbiology (CrossRef) ausschließen
American Geophysical Union (AGU) (CrossRef) (13)
American Geophysical Union (AGU) (CrossRef) ausschließen
American Astronomical Society (CrossRef) (12)
American Astronomical Society (CrossRef) ausschließen
Naxos Music Library (Klassik) (12)
Naxos Music Library (Klassik) ausschließen
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources) (10)
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources) ausschließen
JSTOR Arts & Sciences I Archive (9)
JSTOR Arts & Sciences I Archive ausschließen
MyJove Corporation (CrossRef) (9)
MyJove Corporation (CrossRef) ausschließen
Nationallizenzen (9)
Nationallizenzen ausschließen
American Academy of Pediatrics (AAP) (CrossRef) (8)
American Academy of Pediatrics (AAP) (CrossRef) ausschließen
American Society for Clinical Investigation (CrossRef) (8)
American Society for Clinical Investigation (CrossRef) ausschließen
JSTOR Sustainability (8)
JSTOR Sustainability ausschließen
American Physiological Society (CrossRef) (7)
American Physiological Society (CrossRef) ausschließen
JSTOR Biological Sciences (7)
JSTOR Biological Sciences ausschließen
Massachusetts Medical Society (CrossRef) (7)
Massachusetts Medical Society (CrossRef) ausschließen
S. Karger AG (CrossRef) (7)
S. Karger AG (CrossRef) ausschließen
Society for Neuroscience (CrossRef) (7)
Society for Neuroscience (CrossRef) ausschließen
U.S. Congressional Serial Set (Nationallizenz) (7)
U.S. Congressional Serial Set (Nationallizenz) ausschließen
American Institute of Aeronautics and Astronautics (AIAA) (CrossRef) (6)
American Institute of Aeronautics and Astronautics (AIAA) (CrossRef) ausschließen
American Vacuum Society (CrossRef) (6)
American Vacuum Society (CrossRef) ausschließen
BMJ (CrossRef) (6)
BMJ (CrossRef) ausschließen
JSTOR Ecology & Botany I (6)
JSTOR Ecology & Botany I ausschließen
The Endocrine Society (CrossRef) (6)
The Endocrine Society (CrossRef) ausschließen
American Psychological Association (APA) (CrossRef) (5)
American Psychological Association (APA) (CrossRef) ausschließen
KOPS - The Institutional Repository of the University of Konstanz (5)
KOPS - The Institutional Repository of the University of Konstanz ausschließen
Centers for Disease Control MMWR Office (CrossRef) (4)
Centers for Disease Control MMWR Office (CrossRef) ausschließen
Hindawi Limited (CrossRef) (4)
Hindawi Limited (CrossRef) ausschließen
International Union of Crystallography (IUCr) (CrossRef) (4)
International Union of Crystallography (IUCr) (CrossRef) ausschließen
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server (4)
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server ausschließen
Optica Publishing Group (CrossRef) (4)
Optica Publishing Group (CrossRef) ausschließen
University of Chicago Press (CrossRef) (4)
University of Chicago Press (CrossRef) ausschließen
American Accounting Association (CrossRef) (3)
American Accounting Association (CrossRef) ausschließen
American Society of Civil Engineers (ASCE) (CrossRef) (3)
American Society of Civil Engineers (ASCE) (CrossRef) ausschließen
Association for Computing Machinery (ACM) (CrossRef) (3)
Association for Computing Machinery (ACM) (CrossRef) ausschließen
JSTOR Mathematics & Statistics (3)
JSTOR Mathematics & Statistics ausschließen
American Meteorological Society (CrossRef) (2)
American Meteorological Society (CrossRef) ausschließen
American Museum of Natural History: AMNH scientific publications (2)
American Museum of Natural History: AMNH scientific publications ausschließen
Archives of Pathology and Laboratory Medicine (CrossRef) (2)
Archives of Pathology and Laboratory Medicine (CrossRef) ausschließen
Author(s) (CrossRef) (2)
Author(s) (CrossRef) ausschließen
Duke University Press (CrossRef) (2)
Duke University Press (CrossRef) ausschließen
Journal of Neurosurgery Publishing Group (JNSPG) (CrossRef) (2)
Journal of Neurosurgery Publishing Group (JNSPG) (CrossRef) ausschließen
KITopen (Karlsruhe Institute of Technologie) (2)
KITopen (Karlsruhe Institute of Technologie) ausschließen
MJS Publishing, Medical Journals Sweden AB (CrossRef) (2)
MJS Publishing, Medical Journals Sweden AB (CrossRef) ausschließen
National Council of Teachers of English (CrossRef) (2)
National Council of Teachers of English (CrossRef) ausschließen
Project MUSE (CrossRef) (2)
Project MUSE (CrossRef) ausschließen
AI Practitioner Journal (CrossRef) (1)
AI Practitioner Journal (CrossRef) ausschließen
AIP (CrossRef) (1)
AIP (CrossRef) ausschließen
ASME International (CrossRef) (1)
ASME International (CrossRef) ausschließen
American Dairy Science Association (CrossRef) (1)
American Dairy Science Association (CrossRef) ausschließen
American Economic Association (CrossRef) (1)
American Economic Association (CrossRef) ausschließen
American Malacological Society (CrossRef) (1)
American Malacological Society (CrossRef) ausschließen
American Mathematical Society (AMS) (CrossRef) (1)
American Mathematical Society (AMS) (CrossRef) ausschließen
American Psychiatric Association Publishing (CrossRef) (1)
American Psychiatric Association Publishing (CrossRef) ausschließen
American Society for Photogrammetry and Remote Sensing (CrossRef) (1)
American Society for Photogrammetry and Remote Sensing (CrossRef) ausschließen
Annual Reviews (CrossRef) (1)
Annual Reviews (CrossRef) ausschließen
British Editorial Society of Bone & Joint Surgery (CrossRef) (1)
British Editorial Society of Bone & Joint Surgery (CrossRef) ausschließen
Chelonian Conservation and Biology Journal (CrossRef) (1)
Chelonian Conservation and Biology Journal (CrossRef) ausschließen
Cold Spring Harbor Laboratory (CrossRef) (1)
Cold Spring Harbor Laboratory (CrossRef) ausschließen
European Respiratory Society (ERS) (CrossRef) (1)
European Respiratory Society (ERS) (CrossRef) ausschließen
Frontiers Media SA (CrossRef) (1)
Frontiers Media SA (CrossRef) ausschließen
JMIR Publications Inc. (CrossRef) (1)
JMIR Publications Inc. (CrossRef) ausschließen
JSTOR Arts & Sciences VII Archive (1)
JSTOR Arts & Sciences VII Archive ausschließen
JSTOR Arts & Sciences X Archive (1)
JSTOR Arts & Sciences X Archive ausschließen
JSTOR Arts & Sciences XV Archive (1)
JSTOR Arts & Sciences XV Archive ausschließen
JSTOR Business & Economics (1)
JSTOR Business & Economics ausschließen
JSTOR Business I Archive (1)
JSTOR Business I Archive ausschließen
JSTOR Ecology & Botany II (1)
JSTOR Ecology & Botany II ausschließen
MDPI AG (CrossRef) (1)
MDPI AG (CrossRef) ausschließen
Making of the Modern World economics, politics and industry (Nationallizenz) (1)
Making of the Modern World economics, politics and industry (Nationallizenz) ausschließen