00399nam a2200145Ia 4500008004100000082001400041100002200055245004900077250000700126260004700133300000800180650002000188653002500208653002000233170901s1968    xx            000 0 und d  a300bS24M  aMessick, David M. 0aMathematical Thinking in Behavioral Sciences  a16  aSan FranciscobW. H. Freeman and Co.c1968  a232  aSocial sciences  aMathematical methods  aSocial sciences