Wetzel, Robert A. <br/><br/>
Limunological analysis / 
Robert A. Wetzel, Gene E. Likens 
 - 2nd ed. 
 - Fortworth:  Harcourt Bruce,  [n.d] 
 - ix, 391 p.:  ill.;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387973311 3540973311 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limunology--Field work
<br/><br/><label>Dewey Class. No.: </label>574.52632