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Citations
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Groves Cp,. (1964). Skull-changes due to captivity in certain equidae. Z Säugetierk, 31, 44–46.
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Goodall J. (1964). Tool-using and aimed throwing in a community of free-living chimpanzees. Nature, 201, 1264.
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Fisher, J. (1964). The Natural History of Aggression.
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Erz W,. (1964). Tooth eruption and replacement in Burchell's Zebra. Arnoldia, 1, 1–8.
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Ebhardt H,. (1964). Zusammenhänge zwischen Zahnbau, Zahnstellung und Kieferbau bei Pferde-Unterkiefern. Säugetierk Mitt, 12, 145–155.
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Dittrich L,. (1964). Mähnenlose Zebras im Zoo Hannover. Z Säugetierk, 29, 100–104.
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Bone Jf,. (1964). The age of a horse. S West Vet, 17, 269–272.
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Blanchard J,. (1964). Informations recherchees d`après les équides européens figurés – Viking Fund. Publ Anthropol, 39, 3–24.
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