Media type: E-Article Title: Investigation of accuracy of PPP and PPP-AR methods for direct georeferencing in UAV photogrammetry Contributor: Ocalan, Taylan; Turk, Tarik; Tunalioglu, Nursu; Gurturk, Mert imprint: Springer Science and Business Media LLC, 2022 Published in: Earth Science Informatics Language: English DOI: 10.1007/s12145-022-00868-7 ISSN: 1865-0473; 1865-0481 Keywords: General Earth and Planetary Sciences Origination: Footnote: