Audio-visual techniques for industry
By: [prepared for the United Nations Industrial Development Organization (UNIDO) by John Halas and Roy Martin-Harris].
Contributors: Martin-Harris, Roy, joint author.; United Nations Industrial Development Organization.
Series: Development and transfer of technology series ;; no. 6; [Document] - United Nations ; ID/203
Publisher: United Nations
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 84
Subjects: Audio-visual equipment.; Audio-visual materials.