00345nam a22001337a 4500008004100000020001800041082001800059100002600077245002100103250000800124260006100132300000800193365001000201260223b        |||||||| |||| 00| 0 eng d  a9788120301566  a321.3192bVAL  aValkenburg, M. E. Van  aNetwork Analysis  a3rd  bPrentice-Hall of India Private Limited aNew Delhic2001  a571  aRsb.