Van Helden, Albert <br/><br/>
Measuring the universe :  cosmic dimensions from Aristarchus to Halley / 
Albert van Helden 
 - Chicago :  University of Chicago Press,  1985 
 -  fig, charts ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 187-197 
<br/><br/><label>ISBN: </label>0226848817 :  USD 35.50 0226848825 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--History<br/>Cosmological distances
<br/><br/><label>Dewey Class. No.: </label>523.1