000 00261nam a2200121Ia 4500
999 _c7737
_d7737
020 _a0132334860
100 _aGregory Grossman
245 _aEconomic Systems
250 _a2
260 _c1974
_bPRENTICE HALL, INC.
_aNew Jersey
300 _axii+195
942 _cBK