TY  - BOOK
AU  - Thukral, A K, ed.
AU  - Virk, G S, ed.
TI  - Environmental protection
SN  - 81-7233-258-0
CY  - Jodhpur
KW  - Agriculture and environment
KW  - Climate -- Global
KW  - Environmental engineering
KW  - Environmental protection
KW  - Waste water treatment
ER  -