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
cesium-137 ( in 1997 )
30-km zone with cesium-137 ( in 1997 )
1
(2 marks)