00261nam a22001097a 4500008004100000020001500041050001600056100003600072245002300108250001100131260000900142151203b        xxu||||| |||| 00| 0 eng d  a0582353866  aQA37B222010  aJ.K.Backhouse S.P.T.Houldsworth  aPure Mathematics 1  a4TH ED  c1985