@book{30494,
	author = {NIGAM, N. C. and NARAYANAN, S.},
	title = {Applications of random vibrations /},
	publisher = {Springer Verl.,},
	year = {1994.},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30494}
}