Saving the ozone layer  a global task 

 -  The Swedish Industries Publication department  1990 
 - 24p. 
<br/><br/><label>ISBN: </label>9789155836009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONSERVATION AND PROTECTION
<br/><br/><label>Dewey Class. No.: </label>333.72  / N34