TY  - BOOK
AU  - Heitefuss,Rudolph
AU  - Welchi, Jacquie
AU  - Francis, John
TI  - Crop and Plant Protection: The Practical Foundations 
SN  - 074580523X(Elias Horwood Limited)
AV  - SB950 .H4 
PY  - 1989///
CY  - England.
PB  - Ellis Horwood Limited
KW  - Crop
KW  - Plant
KW  - Protection
N1  - includes bibliographical references and index
ER  -