00409nam a2200121Ia 4500008004100000020001500041082002200056100001600078245008200094260003300176300001700209490006100226260805b        |||||||| |||| 00| 0 eng d  a0470201916  a330.0151bB187.MS  aBall, M. A.  aMathematics in the social and life sciencesb; theories, models and methods /  aNew York:bJohn Wiley,c1985  a296p. Index.  aEllis Horwood series in Mathematics and its applications