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.262, 1990 _cedited by Janathan Piel
260			_bScientific American _aNew York _c1990
300			_av.262, varies p.; 29cm.
942			_2udc _cP
999			_c24575 _d24575