1. Almas, K.A. (1990) Utilization of marine biomass for production of microbial growth media and biochemicals, in Advances in Fisheries Technology and Biotechnology for Increased Profitability, (eds M.N. Voigt and J.R. Botta), Technomic, Lancaster, PA, pp. 361–372.
2. Anonymous. (1975) Production process for salted herrings (Matjes). British Patent 1 403 221.
3. Anonymous. (1990) Enzyme breaks up trout roe. Fish Farming Int., August, 71.
4. Arunchalam, K. and Haard, N.F. (1985) Isolation and characterization of pepsin from Polar cod, Boregadus saida. Comp. Biochem. Physiol., 80B, 467–473.
5. Asgeirson, B. and Bjarnason, J.B. (1988) Studies on an enzyme preparation from cod viscera. Report RH-1288, Science Institute, University of Iceland, Reykjavik, Iceland.