@book{23798,
	author = {WAVER, W.J. and JOHNSTON, P.R.},
	title = {Structural dynamics by finite elements /},
	year = {1987.},
	address = {London,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23798}
}