TY  - BOOK
AU  -  Bowers,Janice E.
ED  -  United States Department of Agriculture.
ED  -  National Agricultural Library (U.S.)
TI  -  Natural rubber-producing plants for the United States / 
U1  -  678.62 NAT 
PY  - 1990///
CY  -  Beltsville, Maryland : 
PB  -  National Agricultural Library , 
KW  -  Rubber
KW  -  United States
KW  -  Rubber plants
N1  -  "Under cooperative agreement no. 88-COOP-1-3897";  Includes bibliographical references (p. 39-43)
ER  -