机读格式显示(MARC)
000
00348cam 2200145 a 4500
001
0000157162
005
20060918085200.0
008
060918s1987 ctuaf b 00110 engsu
040
__
|c
CAU
090
__
|a
74.67051/B952
093
__
|a
74.6
|2
4
094
__
|a
74.67051
|2
4
245
10
|a
Bureau of mines information gircular
260
__
|a
USA
|c
Clark, 1983
300
__
|a
155p.
|c
21cm