000 00274nam a22001337a 4500
020 _a0021059802
040 _cKC
082 _a510
100 _aThoburn, Tina
245 _aMacmillan mathematics;
260 _aNew York
_bMacMillan
_c1987
300 _a522 p.
942 _cEB
999 _c11354
_d11354