000 00273nam a2200109Ia 4500
008 160710s1968 xx 000 0 und d
082 _aPUB
245 _aPROCEEDINGS OF THE ROYAL SOCIETY
260 _bPUBLISHED BY THE ROYAL SOCIETY
_c1968
300 _a534
942 _2ddc
_cB
999 _c33707
_d33707