TY  - BOOK
AU  - Helter,N
AU  - Brown,k
AU  - Cattlin,N
TI  - A colour Handbook or biological control in plant protection
SN  - 1874545286
AV  - SB970.H4 2003 
PY  - 2003///
CY  - London 
PB  - Manson 
ER  -