Powers, J Pattrick. <br/><br/>
Construction Dewatering  a guide to theory and practice 
by J. Pattrick Powers 
 - New York  John-Wiley  1981 
 - xxii, 484p. incl. ind. 
 - Wiley-Interscience publication .
<br/><br/><label>ISBN: </label>0471695912 
<br/><br/><label>Dewey Class. No.: </label>624.15  / N81