1. Stein and Moore ., lecture at the American Chemical Society Congress, April 1942 (not yet published).
2. Claesson (Diss.), Arkiv f. kemi, Min. och Geol, 23 A, No. 1 (1946).
3. Strain, âœChromatographic Adsorption Analysisâ (New York, 1942).
4. Tiselius, Drake and Hagdahl, Experientia, 3, 651 (1947).
5. Consden, Gordon and Martin, Biochem. J., 38, 224 (1944).