000			00391nam a2200145Ia 4500
001			123497
008			170722s9999 xx 000 0 und d
020			_a0442009011
100			_aKeiser, Bernhard E.
245			_aDigittal telephony and network intergration /
250			_a2nd ed.
260			_aNew York : _bVan Nostrand Reinhold , _c1995.
300			_appxvii+669, 77.95
942			_cGEN
999			_c115400 _d115400