Media type: E-Article Title: Essential ingredients for radical innovations? The role of (un‐)related variety and external linkages in Germany Contributor: Hesse, Kolja; Fornahl, Dirk imprint: Elsevier BV, 2020 Published in: Papers in Regional Science Language: English DOI: 10.1111/pirs.12527 ISSN: 1056-8190 Keywords: Environmental Science (miscellaneous) ; Geography, Planning and Development Origination: Footnote: Access State: Open Access