public marks

PUBLIC MARKS from chernobylnews with tags チェルノブイリ & and

26 February 2007 12:45

cesium-137 and strontium-90

cesium-137 and strontium-90 Map of the activity ratio of cesium-137 and strontium-90 in soils of the ChNPP 30-km zone ( in 1997 ) Photo gallery . Materials about: Pripyat, Chernobyl accident