Mohammad Najafi. <br/><br/>
Trenchless technology :  planning, equipment and methods /  [Book].  
Mohammad Najafi  
 - New York :   McGraw-Hill,   2013. 
 - xxiv, 582p. :   ill. ;   24cm.  
<br/><br/>Includes bibliographical references and indexes.  
<br/><br/><label>ISBN: </label>9780071762458 (hc)  S$165.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring. <br/>Trenchless construction. <br/>Underground pipelines--Design and construction.