Multivision : the planning, preparation and projection of Audio-Visual Presentations text New York Focal Press 1980 251 p. : ills. ; 22x29 cm. by John Lewell AUDIO VISUAL PRESENTATIONS MULTIVISION PLANNING PREPARATION PROJECTION 621.3 LEW m INLIS000000000002961 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)