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Klingel H,. (1974). A comparison of the Social Behaviour of the Equidae. in Geist V & Walther FR (eds): The Behaviour of Ungulates and its Relation to Management. IUCN Publ, , 124–132.
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Klingel H,. (1974). Gruppenbildung bei Huftieren. In Kindler (Ed.), (pp. 506–518).
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Klingel H,. (1974). Zebras. Wildlife Clubs of Kenya.8–13.
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Willoughby Dp,. (1974). The empire of Equus.
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Schäfer, M. (1974). Die Sprache des Pferdes – Lebensweise und Ausdrucksformen.
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Blakeslee, J. K. (1974). Mother-young relationships and related behavior among free-ranging Appaloosa horses. Master's thesis, , Idaho State University, Pocatello.
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Hinde, R. A. (1974). Biological Bases of Human Social Behavior.
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Joubert E,. (1974). Notes on the reproduction in Hartmann zebra in South West Africa. Madoqua, 1(8), 31–35.
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Joubert, E. (1974). Size and growth as shown by pre- and post-natal development of the Hartmann zebra Equus zebra hartmannae. Madoqua, 1(8).
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McGrew WC. (1974). Tool use by wild chimpanzees in feeding upon driver ants. J. Hum. Evol., 3, 501.
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