Trenchless construction for utilities  proceedings of the first international conference, London, 16-18 Aoril 1985 
edited by F. E. Bruce 
 - London  Institution of Public Helth Engineers  1985 
 - 330 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0905188071 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling--Congresses<br/>Underground utility lines--Congresses<br/>Trenchless technology--Congresses