TY  - BOOK
AU  - Alford,  David V.
TI  - Beneficial Insects 
SN  - 978148262605
U1  - 632.96 
PY  - 2019///
CY  - Boca Raton
PB  - CRC press, 
KW  - Beneficial insects.
KW  -  Phytophagous insects
KW  - Biological pest control agents
ER  -