Shapley, A. H. <br/><br/>
International geophysical year, second supplement to the draft manua l for world days and communication/  
A.  H . Shapley 
 - Colorado :    National Academy of sciences ,    1957 
 - Various pagination :    ill., map ;    27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> International geophysical year -- 1957<br/> Observatorie<br/> Research