000 00267nam a2200121Ia 4500
999 _c32781
_d32781
020 _a9788131701584
100 _aVan Valkenburg M E.
245 _aNetwork Analysis
250 _a3
260 _c2007
_bPEARSON EDUCATION
_aNew Delhi
300 _axv+571
942 _cBB