TY  - BOOK
AU  - GHOSE,  A.K. & DHAR,  B.B.
TI  - MINING : CHALLENGES OF THE 21ST CENTURY 
U1  - 622.1 GHO/MIN 
PY  - 2000///
CY  - NEW DELHI
PB  -  A.P.H. PUBLISHING CORPORATION
ER  -