000
00294nam a2200121Ia 4500
008
161118s2016 xx 000 0 und d
082
_a
621 C7D2
100
_a
Calvin, F. H.
245
0
_a
Drilling and Surfacing Practice
260
_b
McGraw Hill Book Co.
_c
1948
300
_a
504p.
942
_2
ddc
999
_c
1642
_d
1642