Scientific assessment of stratospheric ozone. 

 - 1 volume :  illustrations, maps ;  28 cm. 
 - Began and ceased with: 1989. 
 - World Meteorological Organization Global Ozone Research and Monitoring Project report ;  no. 20 .
 - Report (Global Ozone Research and Monitoring Project) ;  no. 20. .
<br/><br/> CRDP Program record. 
<br/><br/>Includes bibliographical references. 
<br/><br/>Issued in two volumes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmospheric ozone.<br/>Ozone layer.<br/>Ozone layer depletion.<br/>Atmospheric chemistry.<br/>Global warming.
<br/><br/><label>GPO Item No.: </label>0830-C 
<br/><br/><label>Gov. Doc. Class. No.: </label>NAS 1.2:OZ 7/2/