@book{29191,
	author = {MANOLIS, G. D. and BESKOS, D. E.},
	title = {Boundary element methods in elastdynamics /},
	year = {1989.},
	address = {London,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29191}
}