TY  - BOOK
AU  - Murali, I.V.
AU  - Gautam, N.C.
TI  - Natural resources classification system
U1  - 333.73 
PY  - 2005///
CY  - Hyderabad
PB  - CLUMA
KW  - Chemistry and Allied Sci
KW  - Natural Resoueces
ER  -