000 00362nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78812E+12
082 _aAL-
082 _b25
100 _a"Velkenburg, Van M.E."
245 0 _aNetwork Analysis
250 _aThird
260 _aNew Delhi
260 _bPHI
260 _c1997
300 _a"xv, 571"
999 _c17890
_d17890