TY  - BOOK
AU  - Metcalf C.L,M.A
AU  - Flint W.P
AU  - Metcalf R.T 
TI  - Destructive  And Useful Insects Theit Habits and Colntrol
PY  - 1951///
CY  - New york .Toronto .london
PB  -   Mcgraw-Book company
ER  -