000 00381nam a2200133Ia 4500
008 140208s9999 xx 000 0 und d
020 _a00368733
044 _aU.S.A.
100 _aPiel, Jonathan, ed.
245 _aScientific American. v.261, 1989
_cedited by Janathan Piel
260 _bScientific American
_aNew York
_c1989
300 _av.261, varies p.; 29cm.
942 _2udc
_cP
999 _c23863
_d23863