000 00317nam a2200133Ia 4500
008 210122s9999 xx 000 0 und d
100 _aBlack Uyless D
250 _a2nd Ed.
942 _cBK
245 _aComputer Networks
260 _b"Prantice Hall, New Delhi"
_c2007
082 _a5.754
_bBLA
546 _aENGLISH
999 _c26124
_d26124