@book{21884,
	author = {GRAY, T. G. F. and SPENCE, J.},
	title = {Rational Welding Design /},
	publisher = {Butterworths,},
	year = {[1982].},
	address = {London :},
	edition = {2nd Edit.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21884}
}