Khalil, M A K <br/><br/>
Atmospheric nitrous oxide: patterns of global change during recent decades and centuries.  [electronic resource] 

 -  Chemosphere  Jun 2002 
 - 807-21 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0045-6535 
<br/><br/><label>Standard No.: </label>10.1016/s0045-6535(01)00297-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollutants--analysis<br/>Antarctic Regions<br/>Arctic Regions<br/>Environmental Monitoring<br/>History, 15th Century<br/>History, 16th Century<br/>History, 17th Century<br/>History, 18th Century<br/>History, 19th Century<br/>History, 20th Century<br/>History, Medieval<br/>Ice<br/>Nitrous Oxide--analysis<br/>Retrospective Studies