TY  - BOOK
AU  - Sill,Webster H.
TI  - The plant protection discipline: Problems and possible developmental strategies
SN  - 0470264438
U1  - 632 
PY  - 1978///
CY  - New York
PB  - Allanheld
KW  - Plants, Protection of
KW  - Plant diseases
KW  - Agricultural pests
N1  - Includes index; Bibliography: p. 177-187
ER  -