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1. Waterfowl and their wintering grounds in Mexico, 1937-64 by George B. Saunders, Dorothy Chapman Saunders

by Saunders, George Bradford | Saunders, Dorothy Chapman.

Material type: Text Text; Format: print ; Literary form: Not fiction Publisher: Washington, D.C. Fish and Wildlife Service 1981Availability: Items available for loan: Organismo Autónomo Parques Nacionales [Call number: 04898 ] (1).

2. Population ecology of the mallard

by Saunders, George Bradford | Kimball, Charles F.

Material type: Text Text; Format: print ; Literary form: Not fiction Publisher: Washington, D.C. Fish and Wildlife Service 1982-Availability: Items available for loan: Organismo Autónomo Parques Nacionales [Call number: 04882 ] (1).


Recursos de información - Information resources

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