@book{31632,
	author = {POPENDA, Jerzy and ANDRUCH-SOBIŁO, Anna},
	title = {Matematyka na Derive /},
	publisher = {Wydaw. Politechniki Poznańskiej,},
	year = {1997.},
	address = {Poznań :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=31632}
}