000 00355cam a22001217a 4500
008 180718b1959 xxu||||| |||| 00| 0 eng d
082 _aP141 Er44
100 _aErickson, Carlton W.H.
245 _aAdministering audio-visual services
_cby Carlton W.H. Erickson
260 _aNew York
_bMacmillan
_c1959
300 _a479p.
650 _aAudio-visual education
999 _c364954
_d364954