000 00303 a2200121 4500
080 _a371.33
_bE 68 A
245 1 _aAdministering audio-visual services
_cby C.W.H. Erickson
260 _aNew York
_c1959
650 _aAudio Visual Aids
100 1 _aErickson, C.W.H.
_d
300 _a479 p.
901 _a71869
999 _c23411
_d23411