000 00346nmm a2200157Ia 4500
001 41360
008 140630s9999 xx 000 0 und d
020 _aNA
040 _cPK-LaUMT
082 _aAV 658.812
_bTWE-
245 _a21st century customer services [Audio]
260 _cNA
500 _aAudio cassette
546 _aEN
942 _cAV
999 _c60081
_d60081