000 00227nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aHALM, GEORGE N
_91978
245 0 _aECONOMIC SYSTEMS
650 _aECONOMICS
_91109
942 _cBK
999 _c2267
_d2267