Cammarano, P., Palm, P., Creti, R., Ceccarelli, E., Sanangelantoni, A. M. and Tiboni, O.: 1992,J. Mol. Evol.34, 396–405. ArticleCASPubMed Google Scholar
Cross, R. L. and Taiz, L.: 1990,Fed. Eur. Biochem. Soc. Lett.259, 227–229. ArticleCAS Google Scholar
Doolittle, R. F., Feng, D. F., Anderson, K. L. and Alberro, M. R.: 1990,J. Mol. Evol.31, 383–388. ArticleCASPubMed Google Scholar
Eigen, M., Lindemenn, B. F., Tietze, M., Winkler-Oswatitsch, R., Dress, A. and von Haeseler, A.: 1989,Science244, 673–679. ArticleCASPubMed Google Scholar
Forterre, P., Confalonieri, F., Charbonnier, F., Bouthier de la Tour, C. and Duguet, M.: 1993, Proceedings of the 10th International Conference on the Origin of Life, 184.
Gogarten, J. P., Kibak, H., Dittrich, P., Taiz, L., Bowman, E. J., Bowman, B. J., Manolson, M. F., Poole, R. J., Date, T., Oshima, T., Konishi, J., Denda, K. and Yoshida, M.: 1989,Proc. Natl. Acad. Sci. U.S.A.86, 6661–6665. ArticleCASPubMed CentralPubMed Google Scholar
Kandler, O.: 1993, Early Life on Earth: Nobel Symposium No. 84. S. Bengston (Ed.), Columbia University Press, New York, pp. 111–118. Google Scholar
Koch, A. L.: 1993, Proceedings of the 10th International Conference on the Origin of Life, 140.
Kumada, Y., Benson, D. R., Hillemann, D., Hosted, T. J., Rochford, D. A., Thompson, C. J., Wohlleben, W. and Tateno, Y.: 1993,Proc. Natl. Acad. Sci. U.S.A.90, 3009–3013. ArticleCASPubMed CentralPubMed Google Scholar
Pfennig, N.: 1989, in Bergey's Manual of Systematic Bacteriology, Vol. 3, J. T. Staley, M. P. Bryant, N. Pfennig and J. G. Holt. (Eds.), Williams and Wilkins, Baltimore, pp. 1697–1707. Google Scholar
Puhler, G., Leffers, H., Gropp, F., Palm, P., Klenk, H. P., Lottspeich, F., Garrett, R. A. and Zillig, W.: 1989,Proc. Natl. Acad. Sci. U.S.A.86, 4569–4573. ArticleCASPubMed CentralPubMed Google Scholar
Reiner, D. S., McCaffery, M. and Gillin, F. D.: 1990,Eur. J. Cell Biol.53, 142–153. CASPubMed Google Scholar
Schopf, J. W.: 1992, Major Events in the History of Life, J. W. Schopf. (Ed.), Jones and Bartlett Publ., Boston, pp. 54–63. Google Scholar
Strohl, W.: 1989, in Bergey's Manual of Systematic Bacteriology, Vol. 3, J. T. Staley, M. P. Bryant, N. Pfennig, and J. G. Holt. (Eds.), Williams and Wilkins, Baltimore, pp. 2089–2105. Google Scholar
Zillig, W., Palm, P. and Klenk, H-P.: 1992, The Origin and Evolution of the Cell, H. Hartman, K. Matsuno. (Eds.), World Scientific, Singapore, New Jersey, London, Hong Kong, pp. 163–183.