@book{21259,
	author = {SOKÓŁ-SUPEL, J.},
	title = {Rigid-plastic plate under concentraced moring load /},
	year = {1982.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21259}
}