TY  - BOOK
AU  - Rosen, David
TI  - Armored Scale Insects Their Biology, Natural Enemies and Control
T2  - World crop pests; 4B
PY  - 1990///
CY  - New York :  
PB  -  Elsevier ,       
KW  - Crop Pests
N1  - Includes plates and photographs
ER  -