TY  - BOOK
AU  - Upadhyaya, Mahesh K.
AU  - Robert E. Blackshaw
TI  - Non chemical weed management : Principles concepts and technology: Mahesh K. Upadhyaya
SN  - 9781845932909
U1  - 632.5  
PY  - 2007///
CY  - Oxfordshire,U.K
PB  - CAB International
ER  -