Sanz, Marķa J <br/><br/>
Ozone in Spain's national parks and protected forests.  [electronic resource] 

 -  TheScientificWorldJournal  Mar 2007 
 - 67-77 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1537-744X 
<br/><br/><label>Standard No.: </label>10.1100/tsw.2007.8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollutants--analysis<br/>Altitude<br/>Conservation of Natural Resources<br/>Environmental Monitoring<br/>Geography<br/>Ozone--analysis<br/>Periodicity<br/>Recreation<br/>Spain<br/>Trees