000			00339nam a2200145Ia 4500
008			231217s9999 xx 000 0 und d
041			_aEnglish
082			_a004.6 _bFOD
100			_aForouzan, Behrouz A
245		0	_aData communications and netwroking
250			_a4th
300			_a1134
650			_acomputer network
942			_cBK
999			_c18250 _d18250