TY  - BOOK
AU  - Upadhyaya Manesh K. & Blackshaw Robert E.
TI  - Non chemical weed management: principles, concepts and technology / 
SN  - 9781845932902
U1  - 632.5 UPA 
PY  - 2007///
CY  - USA
PB  - CABI Publication, 
N1  - Includes indexes and bibliographic records
ER  -