@book{30620,
	author = {CLOUGH, Ray W. and PENZIEN, Joseph},
	title = {Dynamics of structures /},
	publisher = {McGraw-Hill,},
	year = {1993.},
	address = {New York [i in.] :},
	edition = {2nd ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30620}
}