@book{18341,
	author = {CLOUGH, Ray W. and PENZIEN, Joseph},
	title = {Dynamics of structures /},
	publisher = {McGraw-Hill Book Company,},
	year = {1975.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18341}
}