$a Kp. Machocyon abbasi, a new early Eocene quettacyonid (Mammalia, Condylarthra) from the middle Ghazij Formation of Mach and Daghari coal fields, Baluchistan (Pakistan) / by Philip D. Gingerich [et al.]. - Ann Arbor, 1999. $b (Museum of Paleontology and Department of Geological Sciences, The University of Michigan).
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$a LCC online
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$a Oxford online
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$a Systematics and evolution of Probathyopsis (Mammalia, Dinocerata) from the late Paleocene and early Eocene of western North America / by J. G. M. Thewissen and P. D. Gingerich. - Ann Arbor, 1987.