Bok, Bart J. <br/><br/>
Ten Lectures delivered at the stony brook Summer Institute for Astronomy and Astrophysics. 1968 

 - Tucson:  University of Arizona  1968 
 - 119p. :   il; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrofísica y Astronomía Descriptiva