TY  - BOOK
AU  - Richards, O.W.
ED  - Davies, R.G.
TI  - Imms' general textbook of entomology : tenth edition volume 2- classification and biology
SN  - 9788132213413
U1  - 580 
PY  - 1977///
CY  - Chapman and hall
PB  - London
ER  -