1. Future environments of North America; being the record of a conference convend by convened by the conservation foundation in April, 1965, at Airlie House, Warrenton, Virginia
پدیدآورنده : / Edited by F. Fraser Darling, John p. Milton
کتابخانه: Central Library and Archive Center of shahid Beheshti University (Tehran)
موضوع : Natural resources - North America,Man - Influence on nature,Regional planning
رده :
309
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25
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