| 000 | 00412nam a22001097a 4500 | ||
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| 999 |
_c168725 _d168724 |
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| 005 | 20230103114631.0 | ||
| 008 | 221230b ||||| |||| 00| 0 eng d | ||
| 100 | _aJohnson, R.A. | ||
| 245 | _aStability and support for stope backs in the shallow depth mining of steeply dipping vein/ tabular deposits : a handbook | ||
| 260 |
_aBraamfontein _bThe Safety in Mines Research Advisory Committee _c2000 |
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| 300 | _a35 p. | ||