Alexander, P. , Carter, D., Barland, C., and Ford, O.E., Biochem. J.48, 629 (1951); Alexander, P., Melliand Textilber.34 (1953).
2.
Consden, R., Gordon, A.H., and Martin, A.J.P., Biochem. J.40, 580 (1946).
3.
Sanger, F., Biochem. J.39, 507 (1945).
4.
Wollemann, B. , dissertation, Heidelberg, 1952; cf. Zahn, H., and Wollemann, B., Makromol. Chem.10, 122 (1953).
5.
Zahn, H., and Wilhelm, H., Report No. 1 published by the Deutschen Forschungsgemeinschaft Wolle e. V., Köln, June 1953; Melliand Textilber.34, (1953) ; TEXTILE RESEARCH JOURNAL23, 604 (1953).
6.
Zahn, H., and Würz, A., Biochem. Z.322. 327 (1952).