Hofmann, D. J. Deshler, T. <br/><br/>
Evidence from balloon measurements for chemical depletion of stratospheric ozone in the Arctic winter of 1989 - 90 

 -  1991  1991 
<br/><br/> Ozone layer  Stratosphere  Arctic region 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences