@inbookGutzeit_Sextro_Kröger_2006, series=Lecture Notes in Applied and Computational Mechanics, title=Unsteady rolling contact of rubber wheels, volume=27, DOI=10.1007/3-540-31761-9_29, booktitle=Analysis and Simulation of Contact Problems, publisher=Springer Berlin Heidelberg, author=Gutzeit, F and Sextro, Walter and Kröger, Matthias, editor=Wriggers, Peter and Nackenhorst, UdoEditors, year=2006, pages=261–270, collection=Lecture Notes in Applied and Computational Mechanics 

@inbookSextro_Moldenhauer_Wangenheim_Lindner_Kröger_2006, series=Lecture Notes in Applied and Computational Mechanics, title=Contact behaviour of a sliding rubber element, volume=27, DOI=10.1007/3-540-31761-9_27, booktitle=Analysis and Simulation of Contact Problems, publisher=Springer Berlin Heidelberg, author=Sextro, Walter and Moldenhauer, Patrick and Wangenheim, M and Lindner, Markus and Kröger, Matthias, editor=Wriggers, Peter and Nackenhorst, UdoEditors, year=2006, pages=243–252, collection=Lecture Notes in Applied and Computational Mechanics