00258nam a2200097Ia 4500080001800000100002200018245005600040260003100096300001500127583001800142  a09.02.01 H893  aHughes, Joseph P.  aMeasuring efficiency when market prices are subject  b[The Author]a[S.l.]c1997  a[1], 28 p.  c5/16/07kJOYD