@book{21886,
	title = {Nonlinear Finite Element Analysis in Structural Mechanics.},
	publisher = {Springer-Verlag,},
	year = {1981.},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21886}
}