@book{30171,
	author = {PLUMMER, Charles C. and McGEARY, David},
	title = {Physical Geology /},
	publisher = {Wm.C.Brown,},
	year = {cop.1988.},
	address = {Dubuque :},
	edition = {4 ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30171}
}