Johns, R. J. <br/><br/>
Introduction to ecology :  lecture notes for biology field course - Aiyura / 
R. J. Johns and R. Payet. 
 - [Lae] :  Papua New Guinea University of Technology,  [1987]. 
 - 276 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Papua New Guinea.<br/>Botany--Papua New Guinea.