| 000 | 00388nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230524s9999 xx 000 0 und d | ||
| 050 | _aPAM TN295.I593 | ||
| 245 | 0 | _aPrevention of accidents due to explosions underground in coal mines | |
| 260 | _aGeneva | ||
| 260 | _c1974 | ||
| 300 | _avi, 37p. | ||
| 300 | _c18cm. | ||
| 942 | _2Library of Congress Classification | ||
| 942 | _cPamphlet | ||
| 999 |
_c8354 _d8354 |
||