McCreland, Mancy <br/><br/>
Applied chemistry of waste water treatment programmed learning; v. 5  Applications dissolved oxygen 
by Mancy McCrelland 
 - Michigan  Ann Arbor and Science  1973 
 - vi, 81p. 
<br/><br/><label>ISBN: </label>0250400286 
<br/><br/><label>LCCN: </label>73-80194 
<br/><br/><label>Dewey Class. No.: </label>628.3  / N73.5