000 00346nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0036-8733
100 _aScientific American
245 _aScientific American : 1998 : Volume 279(Jul-Dec) : Shelf 23.4
260 _bScientific American
_c1998
300 _a96p.+
650 _aScientific American
999 _c7210
_d7210