00419nam a2200157Ia 4500008004100000020001800041041000800059082001900067100003600086245007000122250000800192260002400200300000900224365000900233999001900242231011s2012    xx            000 0 und d  a9780850000000  aeng  a 004.6/HUR/SIN  aGurdeep S. Hura, Mukesh Singhal  aData and computer communications : networking and internetworking  a1st  aUSbCRC PRESSc2012  a1140  b1495  c881791d881791