000 00337nam a2200133Ia 4500
001 19681
008 230404s9999 xx 000 0 und d
100 _aGraham, Dungan
245 0 _aLetts Study Aids: Revise Mathematics (A Complete Revison Course for O Level and GSE)
260 _aUK
260 _c1981
300 _a205
942 _cBK
999 _c10273
_d10273