| 000 | 00438nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 230817s9999 xx 000 0 und d | ||
| 100 | _aHerbert Hoover | ||
| 245 | 0 | _aPrinciples of Mining: Valuation, Organization and Administration | |
| 650 | _aEngineering and Mathematics | ||
| 856 | _uhttps://new.zodml.org/sites/default/files/2023-08/principles_of_mining_-_valuation_organization_and_administration_by_herbert_hoover.epub | ||
| 942 | _cEBK | ||
| 999 |
_c37131 _d37131 |
||