000 00244nam a2200109Ia 4500
008 160710s1955 xx 000 0 und d
100 _aMACMILLAN & CO
245 _aNATURE JULY TO DEC 1956
260 _c1955
300 _a1278
942 _2ddc
_cB
999 _c19062
_d19062