Media type: E-Article Title: Non-linear free and forced vibration of bi-directional functionally graded truncated conical tube based on the nonlocal gradient strain theory Contributor: Zhang, Fusheng; Lu, Wei Published: Informa UK Limited, 2021 Published in: Waves in Random and Complex Media (2021), Seite 1-28 Language: English DOI: 10.1080/17455030.2021.1956016 ISSN: 1745-5030; 1745-5049 Keywords: General Physics and Astronomy ; General Engineering Origination: Footnote: