Conference report and recommendations :  International Conference on Tropical Ozone and Atmospheric Change, 20-23 Feb., 1990, Penang / 
edited by Mohammad Ilyas ; organized by University of Science Malaysia in association with United Nations Environment Programme 
 - Pulau Pinang :  Universiti Sains Malaysia,  1990 
 - 48 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmospheric ozone--Congresses<br/>Ozone--Congresses