1. Shvyadas, V.K., in Immobilizovannye fermenty. Sovremennoe sostoyanie i perspektivy (Immobilized Enzymes: State-of-Art and Prospects), Berezin, I.V., Antonov, V.K., and Martinek, K.T., Eds., Moscow, 1976, p. 221.
2. Sakaguchi, K. and Murao, S., J. Agric. Chem. Soc. Jpn., 1950, vol. 23, p. 411.
3. Murao, S., J. Agric. Chem. Soc. Jpn., 1955, vol. 29, p. 400.
4. Rolinson, G.N., Batchelor, F.R., Butterworth, D., Cameron-Wood, J., Cole, M., Eustace, G.C., Hart, M.V., Richards, M., and Chain, E.B., Nature, 1960, no. 187, p. 263.
5. Claridge, C.A., Gourevitch, A., and Lein, J., Nature, 1960, vol. 187, p. 237.