Aggregates :  raw materials' giant : report on the 2nd International Aggregates Symposium, Erlangen, October 22-27, 1990 /  
Gerd W. Luttig. 
 - Erlangen, Germany:   [Applied Quarternary Research (AQR)],   1994.  
 - vii, 346 p. :  ill., maps, tables ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 30-33, 59, 67, 88, 107-108, 123, 128, 146, 185, 198, 207, 225, 234-237, 247-248, 256-257, 274-275, 286-288, 295, 304, 316, 324, 345-346). 
<br/><br/><label>ISBN: </label>3980171671 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Aggregates
<br/><br/><label>Dewey Class. No.: </label>622.362