000 00557nam a2200229Ia 4500
008 201126s9999 xx 000 0 und d
041 _aeng
082 _a004.6 HAL
100 _aHALSALL , FRED
245 _aDATA COMMUNICATION COMPUTER NETWORK AND OPEN SYSTEM
250 _a7th Rep
260 _bPEARSON EDUCATION
_c2003
300 _a907
490 _aREFERENCE
490 _aN
690 _aFET
690 _aFCA
690 _aCOMPUTER SCIENCE ENGINEERING
690 _aDATA COMMUNICATION COMPUTER NETWORK
999 _c13679
_d13679
942 0 0 _01