Pannekoek, A <br/><br/>
History of astronomy / 
Pannekoek, A 
 -  Interscience Encyclopaedia Inc., New York,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy & allied sciences
<br/><br/><label>Dewey Class. No.: </label>520 PAN-H