Cox, R. J., & Symposium on Photographic Sensitivity. (1973). Photographic sensitivity: Proceedings of the Symposium on Photographic Sensitivity held at Gonville and Caius College and Little Hall, Cambridge, September, 1972 / edited by R. J. Cox. London, New York: Published for the Scientific and Technical Group of the Royal Photographic Society by Academic Press.

Cox, R. J., andfavorite Symposium on Photographic Sensitivity. Photographic Sensitivity: Proceedings of the Symposium On Photographic Sensitivity Held At Gonville and Caius College and Little Hall, Cambridge, September, 1972 / Edited By R. J. Cox. London, New York: Published for the Scientific and Technical Group of the Royal Photographic Society by Academic Press, 1973.

Cox, R. J., andfavorite Symposium on Photographic Sensitivity. Photographic Sensitivity: Proceedings of the Symposium On Photographic Sensitivity Held At Gonville and Caius College and Little Hall, Cambridge, September, 1972 / Edited By R. J. Cox. London, New York: Published for the Scientific and Technical Group of the Royal Photographic Society by Academic Press, 1973.