by Hilditch, T. P., Kay, H. D., Mattick, E. C. V., Folley, S. J., Anderson, E. B., McWalter, R. J., Bushill, J. H., Lampitt, L. H., Filmer, D. F., Twigg, R. S.
Published in Analyst (London) (1937)

by Lampitt, L H, Bushill, J H, Filmer, D F
Published in Biochemical journal (01.10.1937)