Symposium on rapid magnetic variations, Utrecht, 1-4 Sept. 1959 
edited by J. O. Cardus and T. R. Kaiser 
 - Tarragona  International Union of Geodesy and Geophysics  1961 
 - 251p.  illus. 
 - International Association of Geomagnetism and Aeronomy Bulletin; No. 16c .
<br/><br/><label>Subjects--Topical Terms: </label><br/>IuggIaga
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IAGA