| 000 | 00898nam a2200217zi 4500 | ||
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| 005 | 20220228104617.0 | ||
| 008 | 970106 000 0 eng d | ||
| 035 | _aMX001000395656 | ||
| 050 |
_aTN9 _bS94 1961 |
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| 111 | 0 |
_aSymposium On Roch Mechanics _c(4 : 1961 : University Park, Pennsylvania) |
|
| 245 | 1 | 0 |
_aBulletin ofthe mineral industries experiment station : _bProceedings of the fourthsymposium on rock mechanics, march 3-31, april, 1961 / _cEd. by Howard l. hardtman |
| 264 | 1 |
_aUniversity park, pennsylvania : _bThe pensylvania state university, college of mineral industries, _c[1961?] |
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| 300 | _a248 páginas | ||
| 490 | 0 | _aMining engineering series | |
| 650 | 4 |
_aIndustria minera _vCongresos |
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| 700 |
_aHardman, Howard L., _eeditor |
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| 336 |
_atexto _2rdacontent |
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| 337 |
_asin medio _2rdamedia |
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| 338 |
_avolumen _2rdacarrier |
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| 999 |
_c11919 _d11919 |
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