Weak Rock : Soft, Fractures And Weathered Rock - Volume III / 
edited by Koichi Akai, Masao Hayashi, Yuichi Nishimatsu 
 - Amsterdam :  A. A. Balkema,  1981 
 - viii, 1524 pages .:  graph, table, illustrations .;  25 cm 
<br/><br/> Proceedings of the International Symposium on Weak Rock, Tokyo / 21-24 September / 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9061912083  RM 793.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Congresses
<br/><br/><label>Dewey Class. No.: </label>552.1  / WEA 1981