TY  - BOOK
AU  - CHHATWAL,G.R.
AU  - Chhatwal,G.R.
TI  - Encyclopaedia of environmental technology 2 Vol set
SN  - 8126102071 (hardcover)
PY  - 1999///
CY  - [S.l.]
PB  - Anmol Publications Pvt Ltd
N2  - TWO-VOLUME SET
UR  - http://www.amazon.com/exec/obidos/ASIN/8126102071/chopaconline-20
ER  -