TY  - BOOK
ED  - National Illumination Committee of Great Britain.
ED  - London.
TI  - The Perception and application of flashing lights: an international symposium held at Imperial College, London, under the joint auspices of the National Illumination Committee of Great Britain and the Applied Optics Section, Imperial College, on 19-22 April 1971
SN  - 0802018564
U1  - 625.794 23
PY  - 1971///
CY  - Toronto
PB  - University of Toronto Press
KW  - Visual perception
KW  - Congresses
KW  - Light
KW  - Signals and signaling
N1  - Includes bibliographies, index
ER  -