000 00267nam a2200109Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aBALL M A
245 0 _aMATHEMATICS THE SOCIAL AND LIFE SCIENCE
260 _aU S
_bELLEW WOOD
_c1991
300 _a296
942 _2ddc
999 _c93067
_d93067