TY  - BOOK
AU  - S S STEVENS,FRED WARSHOFSKY
TI  - BELTSVILLE SYMPOSIA IN AGRICULTURAL RESEARCH 2 BIOSYSTEMATICS IN AGRICULTURE
SN  - 0470264160
U1  - R 630.274 B419B 
PY  - 1977///
CY  - NEW YORK
PB  - JOHN WILEY & SONS LTD.
KW  - BIOSYSTEMATICS IN AGRICULTURE
ER  -