| 000 | 01134cam a2200277 a 4500 | ||
|---|---|---|---|
| 999 |
_c1078 _d1078 |
||
| 001 | 1997539 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180502100143.0 | ||
| 008 | 901213s1991 dcua b f000 0 eng | ||
| 010 | _a 90027339 | ||
| 040 |
_aDLC _cDLC _dDLC |
||
| 050 | 0 | 0 |
_aTN23 _b.U43 no. 9359 _aTN305 |
| 082 | 0 | 0 |
_a622/.82 _220 |
| 100 | 1 |
_aHolland, Philip W. _92556 |
|
| 245 | 1 | 2 |
_aA mass spectrometer method for determining helium in the parts-per-million to 10-percent range / _cby Philip W. Holland. |
| 260 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c[1991] |
||
| 300 |
_a8 p. : _bill. ; _c28 cm. |
||
| 490 | 1 |
_aReport of investigations ; _v9359 |
|
| 504 | _aIncludes bibliographical references (p. 8). | ||
| 650 | 0 |
_aMine gases _xAnalysis. _93382 |
|
| 650 | 0 |
_aHelium _xMeasurement. _93383 |
|
| 650 | 0 |
_aMass spectrometry. _9766 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines ; _v9359. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
||