Effective audio-visual : a user's handbook
Simpson, R.S.
Effective audio-visual : a user's handbook - - London Focal Press 1987 - 208 p. 24.5 cm - .
Electronics
621.38Sim
Effective audio-visual : a user's handbook - - London Focal Press 1987 - 208 p. 24.5 cm - .
Electronics
621.38Sim