Ott, Wayne R <br/><br/>
Environmental indices:   Theory and practice 

 - Michigan:   Ann Arbor Science,   1978 
 - xi, 371p. 
<br/><br/><label>ISBN: </label>0-250-40191-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Subjects--Index Terms: </label>Water pollution 
<br/><br/><label>Universal Decimal Class. No.: </label>502.55  / L8