Duncan, Neil. <br/><br/>
Engineering geology and rock mechanics volume 2 / 
Neil Duncan. 
 - London :  Leonard Hill,  1969- 
 - v. 2  :  ill. 
<br/><br/><label>ISBN: </label>0249439786  
<br/><br/><label>LCCN: </label>93044136     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.<br/>Engineering geology