@book{28231,
	author = {IYENGAR, N. G. R. and GUPTA, S. K.},
	title = {Programming methods in structural design /},
	year = {1980.},
	address = {London,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28231}
}