@book{43089,
	title = {GEO},
	publisher = {Gruner + Jahr},
	address = {Hamburg},
	note = {Bezugsraum: H. 10 (1976) - 10 (1987); H. 2 (1995) -  Lücken: H. 11; H. 12 (1986), H. 9 (1995)},
	url = {http://www.geo.de/}
}