000
002670000a22001210004500
245
_a
Diamond drilling
100
_a
Chugh, Chandar Parkash
260
_a
New Delhi
_b
Oxford & IBH
_c
1971
300
_a
484 p.
080
_a
550.822
_b
C5
041
_a
EN
942
_c
BK
999
_c
101906
_d
101906