1. Mertens, E., FEBS Lett., 1991, vol. 285, pp. 1–5.
2. Shishkina, V.N. and Trotsenko, Yu.A., Mikrobiologiya, 1990, vol. 59, no.4, pp. 533–538.
3. Trotsenko, Y.A. and Shishkina, V.N., FEMS Microbiol. Rev., 1990, vol. 87, nos.3–4, pp. 267–271.
4. Khmelenina, V.N., Tsvetkova, M.G., Beschastnyi, A.P., and Trotsenko, Yu.A., Mikrobiologiya, 1997, vol. 66, no.3, pp. 327–334.
5. Alves, A.M., Meijer, W.G., Vijrbloed, J.W., and Dijkhuizen, L., J. Bacteriol., 1996, vol. 178, pp. 149–155.