000 00274nam a22001217a 4500
082 _a621.3192 RYD'W
100 _aRYDER, JOHN D
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245 _aNETWORKS LINES AND FIELDS
250 _a2ND
260 _aNEWJERSCY
_bPRENTICE HALL
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300 _a593P
942 _cBK
999 _c581068
_d581068