1. Abeles, R. H.: d-Proline reductase (Clostridium sticklandii). In: Methods in Enzymology, Vol. 17 (H. Tabor, C. W. Tabor, eds.) pp. 317?321. New York and London: Academic Press 1971
2. Barker, H. A.: Fermentation of nitrogenous organic compounds. In: The bacteria, Vol. 2 (I. C. Gunsalus, R. Y. Stanier, eds.), pp. 151?188. New York: Academic Press 1961
3. Bentley, R.: Glucose oxidase. In: The enzymes, Vol. 7 (P. D. Boyer, H. A. Lardy, K. Myrb�ck, eds.), pp. 567?586. New York: Academic Press 1963
4. Boll, M.: Oxydation von reduziertem Nicotinamid-Adenin-Dinucleotid in Rhodospirillum rubrum. Arch. Mikrobiol. 62, 94?110 (1968)
5. Cone, J. E., del Rio, R. M., Stadtman, T. C.: Clostridial glycine reductase complex. Purification and characterization of the selenoprotein component. J. Biol. Chem. 252, 5337?5344 (1977)