TY  - BOOK
AU  - G.R. Chhatwal
AU  -  M.C. Mehra M. Satake  T. Katyal
TI  - Encyclopaedia of environmental pollution and its control 
SN  - 81-7041-243-9
U1  - 363.7303 
PY  - 1989///
CY  - New Delhi
PB  - Anmol Publications Pvt Limited
N1  - G.R. Chhatwal; M.C. Mehra; M. Satake & T. Katyal: Encyclopaedia of environmental pollution and its control.  New Delhi.  Anmol Publications Pvt Limited, 1989. 81-7041-243-9 Rs. 6--(363.7303CHH)
ER  -