000 00335nam a2200133Ia 4500
654 _aELN
100 _aWilliams.R.A.
250 _a1st Ed.
245 _aCommuni.Syst.Analysis &Design A Syst.Approach.
260 _bPrentice Hall of India Private Limited
_c1987
082 _bWIL
_a621.38
300 _aVIII, 470p.
999 _c2615
_d2615
300 _c23 cm.
655 _aF-02
041 _aeng
546 _aText in English