TY  - GEN
AU  - Davies,  R G
AU  - Richards, O W
TI  - IMMS' General Tex Book of Entomology: V.2 : classification and biology
SN  - 8172250533
U1  - 595.7 RIC.2 
CY  - New Delhi, B I Publishers
KW  - Apterygotie Insects/ Exopterygote Insects/ Endopterygote Insects
ER  -