Sajise, Percy Eres, 1943- <br/><br/>
Evaluation of Cogon (imperata cyluidrica (L.) Beauv.) as a seral stage in Philippine vegetational succession  I. The cogonal seral stage and plant succession. II. Autecological studies on Cogon /  [microform] : 
Percy Eres Sajise 
 - Ann Arbor, Mich. :  University Microfilms International,  1972 
 - 1 microfilm reel :  positif ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Cornell University, 1972