000 00278nam a2200109Ia 4500
020 _a0471364908
100 _aPatrick Hayes
245 _aMathematical Methods in the Social and Managerial Sciences
260 _c1975
_bJohn Wiley & Sons
_aNew York
300 _axvi+460
942 _cBK
999 _c8173
_d8173