Toraidhean rannsachaidh

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    leth-bheatha de 17.4 days, as seasmhaiche. Ann an 1913 rinn Kasimir Fajans is Oswald Helmuth Göhring protactinium-234 agus dh'ainmich iad e brevium às a' fhacal...
    2 KB (139 facal) - 07:03, 3 dhen t-Sultain 2015