000 00355pam a2200157a 44500
008 230515b1991 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aValkenburg Van M.E.
245 _aNetwork Analysis
250 _a0
260 _aNULL
_bPrentice Hall of India
_c1991
300 _a571
650 _aNULL
999 _c573722
_d573722