000 00274nam a2200121Ia 4500
008 220901s2014 xx 000 0 eng d
082 _a621.3192 VAL
100 _aValkenberg,K.G
245 0 _aNetwork analysis
260 _bPHI
_c2014
_aDelhi
300 _a571
942 _2ddc
_cBK
999 _c654
_d654