000 00301nam a2200121Ia 4500
008 211209s2009 xx 000 0 und d
020 _a9788120328464
041 _aeng
100 _aGUPTA, PRAKASH
245 _aDATA COMMUNICATION AND COMPUTER NETWORKS
260 _bPHI
_c2009
300 _aIII + 800
999 _c103408
_d103408