@book{29296,
	author = {KELEN, Tibor},
	title = {Polymer degradation /},
	publisher = {Van Nostrand Reinhold,},
	year = {1983.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29296}
}