Abraham, J <br/><br/>
Measurement of the depth of maximum of extensive air showers above 10 eV.  [electronic resource] 

 -  Physical review letters  Mar 2010 
 - 091101 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1079-7114 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.104.091101  doi