000 00513cam a22001931 4500
001 461269
090 _a461269
100 _a20180918d1982 k||y0pory5003 ba
101 0 _aeng
102 _aUS
200 1 _aThe audio-visual equipment directory
_e1982-1983
_fMary Stevens
205 _a28th ed
210 _aU.S.A.
_cNational Audio-Visual Association, Inc.
_d1982
215 _a530 p.
_cil.
_d27 cm
606 _aTecnologias
606 _aAudiovisual
675 _a621
990 _cMON