1. Baumgartner, J. G.: Canned Foods. Third Edition 48 (1949).
2. Bengtsson, A. T., and G. Köhler: Annals Roy. Agr. Coll. Sweden 22, 225 (1956).
3. Berezovskii, A. A., and M. F. Egorova: Chem. Abst. 43, 3538 (1949).
4. Berman, N., and L. F. Rettger: J. Bact. Baltimore 3, 389 (1918).
5. Blackwood, A. C.: Canad. J. Bot. 31, 28 (1953).