Ozone depletion and its effects :  tropical focus, 20-23 February 1990, Penang, Malaysia / 
organised by Universiti Sains Malaysia in association with United Nations Environment Programme 
 - Penang :  Universiti Sains Malaysia,  1990 
 - 35 p. ;  20 cm. 
<br/><br/> An abstracts of key papers and other presentation 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmospheric ozone--Environmental aspects--Congresses<br/>Ozone layer depletion--Congresses<br/>Climatic changes--Congresses