International Photobiology Congress Oxford, International Committee of Photobiology, British Photobiology Group, & Bowen, E. J. (1965). Recent progress in photobiology: The proceedings of an international congress held at Oxford, July, 1964, under the auspices of the Comite Internationale de Photobiologie. Blackwell Scientific Pub.

International Photobiology Congress Oxford, International Committee of Photobiology, British Photobiology Group, and Edmund John Bowen. Recent Progress in Photobiology: The Proceedings of an International Congress Held at Oxford, July, 1964, Under the Auspices of the Comite Internationale De Photobiologie. Oxford: Blackwell Scientific Pub, 1965.

International Photobiology Congress Oxford, et al. Recent Progress in Photobiology: The Proceedings of an International Congress Held at Oxford, July, 1964, Under the Auspices of the Comite Internationale De Photobiologie. Blackwell Scientific Pub, 1965.