000 00272nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a5:061(540)
_bPRO
245 0 _aProceedings of the 39th Science congress, Calcutta,1952. Part III
260 _aCalcutta
_bISCA
942 _cBK
999 _c21807
_d21807