TY  - BOOK
AU  - Martin, Hubert
TI  - Scientific Principles of Crop Protection
SN  - 0713123826
U1  - 631.5 
PY  - 1973///
CY  - London
PB  - Edward Arnold
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agronomy
ER  -