egal...
 Disasters induced by geophysical effects
Earthquakes Tsunamis
 1957/58 : IGY-Campaign
IGY: International Geophysical Year
 Congresses of Geophysical interest
IUGG: Int.Union Geodesy Geophysics Other Congresses & Meetings
 Geophysically relevant cruises of ships
Cruises of Ship Polarstern
 Geophysically relevant surveys in polar regions
Arctic Antarctica


  found 1 countries with filter 1111,x,x: Geomagnetism.PolarLights

General Geophysics on Stamps - Allgemeine Geophysik auf Briefmarken - Géophysique sur les timbres - Selected topic(s): Geomagnetism.PolarLights

Portugal 2014

Stamp showing.....
1zzz


Categories1: Organization.University.Coimbra,Geomagnetism,Geomagnetism.PolarLights


Attributes and External Links:
http://www.wnsstamps.post/en/stamps/PT095.14.html

Philatelic Objcts with topic: Geomagnetism.PolarLights on 25.06.2021