000 00298nam a2200109Ia 4500
008 170101s1955 xx 000 0 und d
082 _a001.553
100 _aHass & Packer
245 0 _aPreparation and Use of Audio Visual Cids.
260 _aNew York
_bPrentice- Hall- Inc.
_c1955
942 _2ddc
_cB
999 _c234766
_d234766