000 00305nas a2200121Ia 4500
008 170101s2017 xx 000 0 und d
044 _aU.S.A.
245 0 _aSCIENTIFIC American
260 _bScientific American
_aNew York
270 _aScientific American
362 _aJan - Dec,1952
942 _2ddc
_cP
999 _c157511
_d157511