TY  - BOOK
AU  - Ben-Dov, Yair ed.
AU  - Hodgson,C J
TI  - Soft scale insects their biology, natural enemies and control vol.7B
SN  - 0444828435
U1  - 595.9/BEN 
PY  - 1997///
CY  - Amsterdam
PB  - Elsevier
KW  - biologycal control
ER  -