@Book{Hussain1971,
author  = "Hussain, Syed Taseer",
title   = "Revision of Hipparion (Equidae, Mammalia) from the Siwalik Hills of Pakistan and India",
year    = "1971",
address = "München",
series  = "Abhandlungen",
volume  = "147",
url     = "https://publikationen.badw.de/en/006279322",
}