1. Britton, H. T. S. & Welford, G., 1937. Universal buffer mixture. In: (Long, C. ed) Biochemists Handbook E & F. N. Spon Ltd, London, p. 41.
2. Burkitt, D. P., Wilson, A. M. M. & Jelliffe, D. E., 1964. Subcutaneous phycomycosis: A review of 31 cases seen in Uganda. Brit. Med. J. 1: 1669?1672.
3. Danno, G. & Yoshimura, S., 1967. Studies on alkaline proteinase of Aspergillus sydowi. I. Purification and some properties of the proteinase. Agr. Biol. Chem. 31: 1151?1158.
4. De Haas, G. H., Slotboom, A. J., Bonsen, P. P. M., Nieuwenhuizen, W. & Van Deenen, L. L. M., 1970. Studies on phospholipase A and its zymogen from porcine pancreas II. The assignment of the position of the six disulphide bridges. Biochim. Biophys Acta 221: 54?61.
5. Emmons, C. W., 1967. The phycomycoses. In: Recent Advances of Human and Animal Mycology. Proceedings of the International Dermatological Symposium in Bratislava 1966. (L. Chmel, E. Hegyi & J. C. Gentles, eds). Publishing House, Academy of Science, Bratislava, pp. 191?203.