Low frequency variability of extragalactic radio sources  proceedings of the National radio astronomy observatory workshop held in Green Bank, West Virginia, April 21-22 1982 
edited by William D. Cotton                                            
 - West Virginia  National Radio Astronomy Observatory  1982 
 - v, 152p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Extragalactic radio sources<br/>Quasars<br/>Radio galaxies
<br/><br/><label>Universal Decimal Class. No.: </label>524.7-77  / LOW