Annals of the International Geophysical Year  v. XXXIX, part 2 : northern hemisphere synoptic auroral charts on polar projection 
edited by Carl W. Gartlein and Helen E. Gartlein 
 - Oxford  Pergamon Press  1966 
 - 77p. 
 - Annals of the International Geophysical Year .
<br/><br/><label>ISBN: </label>1110637272 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Geophysical Year
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IGY