@book{30982,
	author = {KRÄTZIG, Wilfried B.},
	title = {Dynamics of civil engineering structures /},
	publisher = {A. A. Balkema,},
	year = {1996.},
	address = {Rotterdam ;},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30982}
}