TY - BOOK AU - R. E. de Keiffer AU - Lee W Cochran, TI - Manual of Audio-Visual Techniques U1 - 371.33 PY - 1964/// CY - New Delhi PB - Prentice Hall of India Pvt Ltd N1 - R. E. de Keiffer & Lee W Cochran: Manual of Audio-Visual Techniques. (2 nd Edition) New Delhi. Prentice Hall of India Pvt Ltd, 1964.--(371.33DE) ER -