@book{26213,
	author = {DESAI, Chandrakant S. and ABEL, John F.},
	title = {Introduction to the finite element method :},
	year = {1972.},
	address = {New York,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=26213}
}