| 000 | 00366nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1963 xx 000 0 und d | ||
| 082 | _a622.42 C27V | ||
| 100 | _aCentral Mining Research Station | ||
| 245 | 0 | _aVentilation survey of mine | |
| 260 |
_bDhanbad _c1963 |
||
| 300 | _a15p | ||
| 650 | _aMINE VENTILATION | ||
| 653 | _aMINE VENTILATION | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c51956 _d51956 |
||