000
00253nam a2200097 4500
999
_c
334649
_d
334649
082
_a
338.2
_b
PRY.E
100
_a
Pryor, Edmund J.
245
_a
Economics for the Mineral Engineer
_c
Pryor, Edmund J.
260
_a
London
_c
1958
_b
Pergamon Press
942
_c
BK