TY  - BOOK
AU  - Heitefuss Rudolf 
TI  - Crop and Plant Protection the Practical Foundations
SN  - 74580523
AV  - SB.950.H4 1989  
PY  - 1989///
CY  - Australia: 
PB  - John Wiley
KW  - crop and prant protection
N1  - Includes Index
ER  -