000 00411nam a2200181Ia 4500
005 20250425161409.0
008 250425s9999 xx 000 0 und d
041 _aeng
082 _a352
100 _aBELTRAMI, EDWARD J
245 0 _aMODELS FOR PUBLIC SYSTEMS ANALYSIS
250 _aS.E.
260 _aEstados Unidos
_bS.E.
_c1977
260 _aS.L.
300 _a217
942 _c01
010 _a19390
999 _c208417
_d208417