@inproceedingsSextro_Popp_Wolter_1998, place=Honolulu, Hawaii, USA, title=Three-Dimensional Vibration of Bladed Disk Assemblies with Friction Dampers, volume=B, booktitle=The 7th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Proceedings of ISROMAC-7, author=Sextro, Walter and Popp, Karl and Wolter, I, year=1998, pages=621–630 

@inproceedingsPopp_Sextro_1997, place=Frankfurt am Main, Germany, title=Schwingungsverhalten von verstimmten Beschaufelungen mit Reibelementen, number=496, booktitle=Forschungsvereinigung Verbrennungskraftmaschinen (FW) -lnformationstagung Turbinen, author=Popp, Karl and Sextro, Walter, year=1997, pages=131–142 

@inproceedingsSextro_1997, title=Schwingungsverhalten von Schaufelkränzen mit Reibelementen bei Frequenzverstimmung, volume=11, number=245, booktitle=VDI-Reihe, publisher=VDI-Verlag, Düsseldorf, author=Sextro, Walter, year=1997 

@inproceedingsSextro_Popp_Wolter_1997, title=Improved reliability of bladed disks due to friction dampers, booktitle=The 1997 International Gas Turbine \'26; Aeroengine Congress \'26; Exposition, author=Sextro, Walter and Popp, Karl and Wolter, Ivo, year=1997 

@inproceedingsPopp_Sextro_1996, place=Frankfurt am Main, Germany, title=Schwingungsverhalten eines Schaufelkranzes mit Reibelementen bei Frequenzverstimmung, number=490, booktitle=Forschungsvereinigung Verbrennungskraftmaschinen (FW) - lnformationstagung Turbinen, author=Popp, Karl and Sextro, Walter, year=1996, pages=53–76 

@inproceedingsPopp_Sextro_1996, place=Prag, title=Dynamical Behaviour of a Bladed Disk with Friction Dampers, volume=1, number=518, booktitle=The 2nd European Nonlinear Oscillation Conference - Proceedings of EUROMECH, author=Popp, Karl and Sextro, Walter, year=1996, pages=157–183 

@articleSextro_Schmalhorst_1993, title=Static Behaviour of Drill Strings in Curved Boreholes, volume=73, journal=Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), author=Sextro, Walter and Schmalhorst, B, year=1993, pages=255–257 

@inbookStelter_Sextro_1991, series=International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / S\rquote erie Internationale d’Analyse Num\rquote erique, title=Bifurcations in Dynamic Systems with Dry Friction, volume=97, DOI=10.1007/978-3-0348-7004-7_44, booktitle=Bifurcation and Chaos: Analysis, Algorithms, Applications, publisher=Birkhäuser Basel, author=Stelter, Peter and Sextro, Walter, editor=Seydel, R. and Schneider, F.W. and Küpper, T. and Troger, H.Editors, year=1991, pages=343–347, collection=International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / S\rquote erie Internationale d’Analyse Num\rquote erique