Vayda, Andrew P. Explaining human actions and environmental changes / Andrew P. Vayda. - Lanham : Altamira Press, 2009. - 303p. HB ISBN: 978-0-7591-1900-0 Standard No.: 10830 [old SOUL v1.0 record id] Subjects--Topical Terms: Human ecologyEnthnology Dewey Class. No.: 304.2 / V11e