Spectral line analysis system for the NRAO 12m millimeter -wave telescope 
edited by M. A. Gordon                                       
 - Tuscon  The National Radio Astronomy Observatory  1990 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectral line
<br/><br/><label>Universal Decimal Class. No.: </label>520.88  / SPE