Lorenz, Walter <br/><br/>
Manual on the geological-technical assessment of mineral constructio n material /    
Walter Lorenz and Werner Gwosdz 
 - Hannover :   Bundesanstalt Geowissenschaften Rohstoften,   2003 
 - 498 p. :    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>3510959175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial minerals --Geology------<br/>Building materials.--Geology------
<br/><br/><label>Dewey Class. No.: </label>338.456