Transactions of the XIV general assembly   St. Gall, Switzerland, 1967 
edited by Leroy R. Alldredge 
 - Paris  International Union of Geodesy and Geophysics   1968 
 - 171p. 
 - International Association of Geomagnetism and Aeronomy Bulletin; No. 25 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iaga Bulletin No.25Iaga BulletinIugg
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / ALL