Afrouz, Andy A <br/><br/>
Practical handbook of rock mass classification systems and modes of ground failure 
Andy A. Afrouz 
 - Boca Raton, FL  CRC Press  c1992 
 - 195 p. : ill. ; 25 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780849337116 
<br/><br/><label>ISSN: </label>91047197 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ground control (Mining)<br/>Rocks - Classification<br/>Rocks - Testing
<br/><br/><label>Dewey Class. No.: </label>622.22 AFR