Twenty questions and answers about the ozone layer 

 - GenevaCH  World Meteorological Organization  2011March 
 - 68 p. 
<br/><br/> This publication is a component of the 2010 report of the Montreal Protocol Scientific Assessment Panel, Scientific Assessment of Ozone Depletion: 2010.  The answers are based on the information presented in  the Assessment report in June 2010. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OZONE
<br/><br/><label>Universal Decimal Class. No.: </label>17.02.01 T971