000
00265nam a2200097 4500
082
_a
338.2
_b
SIN.M
100
_a
Sinha K. and Sharma L.N.
245
_a
Mineral Economics
_c
Sinha K. and Sharma L.N.
260
_a
New Delhi
_c
1970
_b
Oxford &IBH Publishing Co
942
_c
BK
999
_c
335466
_d
335466