TY  - GEN
AU  - Tyagi O.D.
AU  - Mehra M.
TI  - A Textbook of environmental chemistry
SN  - 8170413524
U1  - 577.14 TYA 
PY  - 1990///
CY  - New Delhi
PB  - Anmol Publications Private Limited
KW  - Environmental Science
KW  - Chemistry-Environmnetal
ER  -