1. Levures Cultivees sur Alcanes;Scrimshaw,1972
2. Guideline for Pre-Clinical Testing;FAO/WHO/UNICEF Protein Advisory Group,1972
3. A. E. Sands, M. A. Grafius, H. W. Wainwright, and M. W. Wilson, U.S. Bureau of Mines, Report of Investigation No. 4547 (1949).
4. The determination of very low concentrations of hydrogen sulphide in gas-I
5. Single-Cell Protein,1968