| 000 | 01026cam a2200265 i 4500 | ||
|---|---|---|---|
| 999 |
_c996 _d996 |
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| 001 | 2312281 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180501104533.0 | ||
| 008 | 810105s1981 dcua b f000 0 eng | ||
| 010 | _a 80606871 | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 050 | 0 | 0 |
_aTN23 _b.U43 no. 8579 _aTN292 |
| 082 | 0 | 0 |
_a622 s _a622/.28 _219 |
| 086 | 0 | _aI 28.23: | |
| 100 | 1 |
_aKripakov, Nicholas P. _93177 |
|
| 245 | 1 | 0 |
_aAnalysis of pillar stability on steeply pitching seam using the finite element method / _cby Nicholas P. Kripakov. |
| 260 |
_aWashington, D.C. : _bU.S. Bureau of Mines, Dept. of Interior, _c[1981] |
||
| 300 |
_aii, 33 p. : _bill. ; _c27 cm. |
||
| 490 | 1 |
_aReport of investigations ; _v8579 |
|
| 504 | _aBibliography: p. 32-33. | ||
| 650 | 0 |
_aPillaring (Mining) _xMathematical models. _93178 |
|
| 650 | 0 |
_aFinite element method. _91122 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v8579. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _encip _f19 _gy-gencatlg |
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| 942 |
_2udc _cCR |
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