Vistas in astronomy  V.20. Histroy and Philosophy. Celestial mechanics. Instrumentation. Radio Telescopes. Solar physics. Planetary studies. Stellar w 

 -  1979 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Astronomy<br/>Vistas
<br/><br/><label>Dewey Class. No.: </label>523  / B39V