000 00299nam a2200121Ia 4500
008 220201s1985 xx 000 0 eng d
082 _a510
_bBAL
100 _aBall, M.A
245 0 _aMathematics in the social & life science
260 _aDelhi
_bEllis horwood
_c1985
300 _a296
942 _2ddc
999 _c36897
_d36897