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Isaac, Jeffrey.
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1998
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Benson, Eugene, 1928- Toye, William.
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1997
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Vithar Hreinsson.
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1997
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Humber, William, 1949-
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1995
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Sherrin, Ned.
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1995
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Weihs, Jean Riddle.
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1995
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Parker, Roger, 1951-
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1994
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Magill, Frank Northen, 1907-
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1994 1993 1992 1991
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Emanoil, Mary. International Union for Conservation of Nature and Natural Resources Species Survival Commission. IUCN--The World Conservation Union.
Publication Date:
1994
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