Lewis, William Madison, 1945- <br/><br/>
The thermal regime, chemistry and phytoplankton ecology of Lake Lanao, Philippines  [microform] / 
William Madison Lewis. 
 - Ann Arbor, Mich. :  University Microfilms International,  1972. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/> Thesis (Ph.D.) - Indiana University, 1972 
<br/><br/><label>ISBN: </label>Y910040258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater phytoplankton--Philippines