@book{29792,
	author = {LEVIN, Harold L.},
	title = {The Earth Through Time /},
	publisher = {Saunders College Publ.,},
	year = {1991.},
	address = {Fort Worth [et al.] :},
	edition = {Edition fourth},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29792}
}