TY  - BOOK
AU  - Martin, Hubert.
TI  - The scientific principles of crop protection
U1  - 632.95 
PY  - 1959///
CY  - London
PB  - E. Arnold
KW  - Fungicides
KW  - Insecticides
N1  - First ed. published in 1928 under title : The scientific principles plant protection
ER  -