00625nam a2200193Ia 4500082002700000100001900027245004500046260007300091300001500164490006800179490001400247500000500261690000600266700000500272952011000277964001700387921001000404999001700414  a518.542502433bN843.SP  aNorman, Morris  aSoftware package for economic modelingb  aLuxemburgbInternational Institute for Applied System Analysisc1977  axii, 127p.  aInternational Institute for Applied Systems analysisv RR_77-21  aNov. 1977  a  a   a  001040708GRaISIbISId1998-09-21l0o518.542502433 N843.SPpG117r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a12652  c12652d12652