Geomagnetic Data,1994 IAGA Indices edited by Michel Menvielle - France ISGI 2000 - 142p. tables - IAGA Bulletin No.32y . Subjects--Topical Terms: Geomagnetic DataGeomagnetic IndexesGeomagnetismIuggIaga Bulletin-dataIaga Indices Universal Decimal Class. No.: 550.38 / IAGA