1. Bernard, C. C. A., Bordmann, G., Blomberg, B., and Du Pasquier, L.: Immunogenetic studies on the cell-mediated cytotoxicity in the clawed toad Xenopus laevis. Immunogenetics 9: 443?454, 1979
2. Bernard, C. C. A., Bordmann, G., Blomberg, B., and Du Pasquier, L.: Genetic control of T helper function in the clawed toad Xenopus laevis. Eur. J. Immunol. 11: 151?155, 1981
3. Bernardini, N., Chardonnens, X., and Simon, D.: D�velopement apr�s la metamorphose de comp�tences immunologiques envers les homogreffes cutan�es chez des Xenopus laevis Daudin. C. R. Acad. Sci. 269: 1011?1014, 1969
4. Bonner, W. and Lasky, R.: A film detection method for tritium-labeled proteins and nucleic acids in polyacrylamide gels. Eur. J. Biochem. 46: 83?88, 1974
5. Cone, R. E. and Marchalonis, J. J.: Surface proteins of thymus derived and bone marrow derived lymphocytes. Selective isolation of immunoglobulins and antigen by non-ionic detergents. Biochem. J. 104: 435?447, 1974