1. Bernfeld, P. (1955). Methods in Enzymol. 1, 149
2. Bull, A.T., Chesters, C.G.C. (1966). Advan. in Enzymol. 28, 325–364
3. Chesters, C.G.C., Turner, M., Apinis, A. (1955). Proc. 2nd Int. Seaweed Symp. Trondheim p. 141
4. Chesters, C.G.C., Bull, A.T. (1963a, b, c). Biochem. J. 86, 28–46
5. Eka, O.U., Fogarty, W.M. (1972). Nigerian J. Sci. 5, 117–125