000 00409nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aGoreux L.M
245 _aInterdependence in Planning : Multi Leve Programming Studies of the Ivory Cost
260 _c1977
_bJohn Hopkins University
_aBaltimore
366 _b1977
650 _aCOMPUTER SCIENCE
942 _cBK
999 _c67726
_d67726