Read, R. S. <br/><br/>
AECL's excavation stability studysummary of observations. 

 - Chalk River, Ontario :  AECL,  1996. 
 - 43 p. :  tabla, diagr. 
<br/><br/> Bibliografía y apéndices: 29-43 
<br/><br/><label>ISBN: </label>0660164779 
<br/><br/><label>ISSN: </label>00670367 
<br/><br/><label>Standard No.: </label>AECL-11582 COG-96193