1. McLean, A. Y. andA. T. J. Hayward, “Rheological Research in Britain, 1964. A survey made jointly by the British Society of Rheology and the National Engineering Laboratory.” NEL Report No. 165: East Kilbride, Glasgow: National Engineering Laboratory. September, 1964.
2. British Society of Rheology Bulletin No. 3, 1964, p. 9, 10.