00254    a2200109   4500020001500000082001300015100001700028245002100045260004400066300001800110650001600128  a0003223701  a510bFRA  aFrancis, Bob  aPure mathematics  aLondonbCollins Educationalc1996g1996  ax,689p.c24cm  aMATHEMATICS