Transactions of the XVIII general assembly, Hamburg, F.R.G., 1983 
edited by Naoshi Fukushima 
 - Paris  International Union of Geodesy and Geophysics  1985 
 - ii+182p.  
 - International Association of Geomagnetism and Aeronomy Bulletin; No. 49 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>IuggIaga
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IAGA