@book{15994,
	author = {SCHUMANN, Hilmar},
	title = {Grundlagen des geologischen Wissens fur Techniker /},
	year = {1962.},
	address = {Drezden,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15994}
}