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Text reemplaça - 'desembre' a 'decembre'
** Manning, Richard: Grasslands: The History, Biology, Politics, and Promise of the American Prairie. [[Nova York]]: Viking, [[1995]].
** Manning, Richard: Grasslands: The History, Biology, Politics, and Promise of the American Prairie. [[Nova York]]: Viking, [[1995]].
** Raventon, Edward: Island in the Plains: A Black Hills Natural History. Boulder: Johnson Books, 1994
** Raventon, Edward: Island in the Plains: A Black Hills Natural History. Boulder: Johnson Books, 1994
** Wilkinson, Todd: "Back to the Badlands: Black-footed Ferrets, Once Considered Extinct, Are Being Reintroduced..." National Parks 68, núm. 11-12 (novembre/desembre de 1994): 38-43.
** Wilkinson, Todd: "Back to the Badlands: Black-footed Ferrets, Once Considered Extinct, Are Being Reintroduced..." National Parks 68, núm. 11-12 (novembre/decembre de 1994): 38-43.
** Williams, Ted: "Torch of the Yankee Salmon" (Restoring Atlantic Salmon to New England). Audubon 97, núm. 3 (maig i juny de 1995): 28-34.
** Williams, Ted: "Torch of the Yankee Salmon" (Restoring Atlantic Salmon to New England). Audubon 97, núm. 3 (maig i juny de 1995): 28-34.
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