000 00316nam a2200121Ia 4500
008 210122s9999 xx 000 0 und d
100 _aBlack Uyless D
942 _cBK
245 _aData Commucations And Distributed Networks
260 _b"Prantice Hall, New Delhi"
_c2007
082 _a4.6
_bBLA
546 _aENGLISH
999 _c28616
_d28616