Mineralogical and Geochemical Studies of Bone Detritus of Pleistocene Mammals, Including the Earliest in Northern Eurasia Humans - V. I. Silaev; D. V. Ponomarev; S. M. Slepchenko; A. A. Bondarev; D. V. Kiselеva; I. V. Smoleva; A. F. Khazov (Vestnik Permskogo Universiteta: Seriâ Geologiâ, 2015)