Classical normal modes in nonviscously damped linear systems - Sondipon Adhikari (Aiaa Journal, 2001)
@articleRID:1031151530480-65,title = Classical normal modes in nonviscously damped linear systems,journal = Aiaa Journal,year = 2001,author = Adhiakri, S.,volume = 39,number = 5,pages = 978-980