Bell F G Ed. <br/><br/>
Ground engineer's reference book 

 - London  Butterworths           1987 
 - 59/20p.  cm. 
<br/><br/><label>Standard No.: </label>56935 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering geology-Handbook
<br/><br/><label>Dewey Class. No.: </label>D1, M7       RR