1. Plaut, G.W.E. in “The Enzymes”, 2nd ed. (Boyer, P.D., Lardy, H., Myrback, K., eds.) 7, 105–126 (1963) (Review)
2. Ramaley, R.F., Hudock, M.O.: Biochim. Biophys. Acta, 315, 22–36 (1973)
3. Saiki, T., Arima, K.: J. Biochem., 77, 233–240 (1975)
4. Kleber, H.-P.: Z. Allg. Mikrobiol., 15, 431–435 (1975)
5. Curry, R.A., Ting, IP.: Arch. Biochem. Biophys., 176, 501–509 (1976)