Machocyon abbasi, a new early eocene quettacyonid (mammalia, condylarthra) from the middle Ghazij Formation of Mach and Daghari coal fields... [Текст] / Ginderich P D,Arif M,Khan I H,Clyde W C, Bloch J I // Contributions from the Museum of paleontology. Vol. 30, N 9 / The University of Michigan. - Ann Arbor : The University of Michigan , 1999. — pp.233-250.