Analysis of raw, potable and waste waters 
by Deparment of the Environment 
 - London  Her Majesty's Sattionary Office  1972 
<br/><br/> Chairman : A.Key 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water --Analysis.<br/>Sewage --Analysis
<br/><br/><label>Dewey Class. No.: </label>V4 Un3