Purkiss, B.E. <br/><br/>
Biotechnology of industrial water conservation 
Purkiss, B.E. 
 - London  Mills & Boon  1972 
 - 49 p. 
<br/><br/><label>ISBN: </label>0263050033 
<br/><br/><label>Dewey Class. No.: </label>628.3  / PUR