@book{13152,
	author = {Calhoun, B.B.. and Özbal, Özlem,},
	title = {Ayak İzlerinin Esrarı/},
	publisher = {TÜBİTAK Popüler Bilim Kitapları,},
	year = {2003.},
	address = {Ankara :},
	edition = {15.bs.}
}