@book{Bienert1998, author = {Bienert, J{\"o}rg}, title = {Strukturmodifikation in der Modalanalyse am Beispiel der Kreiselwirkung von Rotoren}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {3-18-325511-1}, pages = {X, 130}, year = {1998}, language = {de} } @book{OPUS4-2501, title = {7th IOMAC: international operational modal analysis conference}, subtitle = {Short Papers}, editor = {Schober, Walter and Bienert, J{\"o}rg and L{\´o}pez Aenlle, Manuel and Fern{\´a}ndez Fern{\´a}ndez, Pelayo}, publisher = {Shaker}, address = {Aachen}, isbn = {978-3-8440-5247-3}, pages = {336}, year = {2017}, language = {en} }