000 00310nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a658.015 E48
100 _aEIMAGHRABY.S.E
245 0 _aSOME NETWORK MODELS IN MANAGEMENT SCIENCE
260 _aBERLIN
_bSpringer
_c1970
300 _a24X16
942 _cBK
_2DDC
999 _c17259
_d17259