@book{21287,
	author = {Bett, Brian. and Rolph, Mic,},
	title = {Mavi Gezegen/},
	publisher = {TÜBİTAK Yayınları,},
	year = {1999.},
	address = {Ankara :},
	edition = {6.bs. / Çev:H.Murat Tüzel}
}