@book{28990,
	author = {PRAKASH, S. and PURI, Vijay K.},
	title = {Foundations for machines :},
	year = {1988.},
	address = {New york,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28990}
}