000 00252 a2200121 4500
082 _a539.752
_bAl51p
245 1 _aPROCEEDINGS
260 _a
_b
_c1966
300 _a523
650 _aRadioactivity -- Congresses
964 _gCIRC
997 _a36512 C
999 _c455105
_d455105