TY  - BOOK
AU  - Lenteren, J. C. Van,
TI  - Quality Control and Production of Biological control Agents : Theory and Testing Procedures
SN  - 0851996884
U1  - 632.96 
PY  - 2003///
CY  - Wallingford
PB  - CABI Publishing
KW  - Biological control
ER  -