TY  - BOOK
AU  - Tivy,Joy
TI  - Agricultural ecology
SN  - 0470214805 (Wiley)
AV  - S589.7 .T58 1990
U1  - 630/.2/745 20
PY  - 1990///
CY  - Harlow, Essex, England, New York
PB  - Longman Scientific & Technical, Wiley
KW  - Agricultural ecology
N1  - Includes index; Bibliography: p. 261-280
ER  -