000 00328nam a2200121Ia 4500
001 MPKV055507
008 120911s9999 xx 000 0 und d
082 _a500
245 _aScientific America Vol 212
_c;
246 _aScientific America Vol 212
260 _aNew York
_bScientific American Inc.
_c1965
650 _aPure Sciences
999 _c53502
_d53502