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40
potassium-40
Submitted by
György Chityil ...
on Fri, 01/19/2018 - 23:58
calcium-40
Submitted by
György Chityil ...
on Fri, 01/19/2018 - 20:57
argon-40
Submitted by
György Chityil ...
on Fri, 01/19/2018 - 20:34
40s
Submitted by
György Chityil ...
on Fri, 01/19/2018 - 16:45
