Levin, E. (1968). Fish protein concentrate. VioBin Corporation.
Chicago-čujuhus (17. p.)Levin, Ezra. Fish Protein Concentrate. Monticello: VioBin Corporation, 1968.
MLA-čujuhus (9. p.)Levin, Ezra. Fish Protein Concentrate. VioBin Corporation, 1968.
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