00354    a2200145   4500020001500000082001300015100001900028245002500047260004600072300002500118650001600143700001700159700001500176700001700191  a0435515535  a510bDEC  aBurghes, David  aDecision mathematics  aOxfordbHeinemann Educationalc1992g1993  a[viii], 237p.c27cm.  aMathematics  aPrice, Nigel  aDeft, John  aGreen, Nigel