Readings from Scientific American :  New frontiers in Astronomy with introductions / 
Owen Ginerich. 
 - San Francisco :  Freeman & Company,  1975. 
 - 369 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0716705206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Addresses, essays, lectures.