Kingsley, Stuart, ed. <br/><br/>
The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum  [eBook] 

 - Washington, USA  SPIE  1993 
 - Online resource 
 - Proceedings of SPIE; V. 1867 .
<br/><br/><label>ISBN: </label>9780819410948 (Print)