Shelby, Bo, comp.

Management and biological conservation /compiled by Shelby and Sandie Arbogast - Corvallis, Oregon : Oregon State University. College of Forestry, (1994). - 44 p. : fots. - 1994 Starker Lectures . - 1994 Starker Lectures .

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EcologĂ­a.
Ecosistema.
Medio ambiente.