000 00363nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a4
082 _b68 NAN
100 _a"Nance, Barry"
245 0 _aIntroduction To Networki
250 _aThird
260 _aNew Delhi
260 _bP.H.I.
260 _c1997
300 _aXIX- 428
999 _c37217
_d37217