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Progress Report on the Cooperative Hevea Rubber Development Program in Latin America
A. W. Cressman
Jordan H. Levin
Joseph Benjamin Kuska
L. A. Richards
Orlin James Scoville
Robert Delafield Rands
United States. Entomology Research Branch
United States. Department of Agriculture
Charles Arthur Bower
Harold Paul Gaston
Harold Robert Yust
Oscar Roland Mathews
Loren George Polhamus
D. Eichorn
Milton Fireman
出版
U.S. Department of Agriculture
, 1956
URL
http://books.google.com.hk/books?id=Rl3GacvoVNgC&hl=&source=gbs_api