1. Astrup, T., Enzymol. 1938, 5, 12.
2. Astrup, Science, 1939, 90, 36.
3. Astrup-, and S. Darling, J. Biol. Chem. 1940, 133, 761.
4. Astrup and S. Darlinga, Acta Physiol. Scand. 1941a 2, 22.
5. Astrup, and S. Darlingn, Naturwissenschaften. 1941b 29, 300.