Louis, Henry <br/><br/>
Mineral valvation. 

 - London :  Charles Griffin,  1923. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>622.0