000 00262nam a2200109Ia 4500
008 220201s1986 xx 000 0 eng d
100 _aRYDER (JOHN D)
245 0 _aNETWORKS, LINES & FIELDS
250 _a2ND
260 _bPRENTICE HALL DELHI
_c1986
942 _2ddc
999 _c94236
_d94236