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Hansen, J. (1980). The snow leopard study, part one.
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Freeman, H. (1980). Breeding and behavior of the snow leopard.
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Alexander, D. (1980). Report from a troubled land: The Soviet invasion of Afghanistan crushed oe of the most promising conservation programs in the Third World.
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Jackson, R. (1980). A radio-telemetry study of the snow leopard (Panthera uncia) in Nepal with emphasis on conservation and predator-prey relations.
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