1. Hill: Muscular Mouvement in Man, 1927.
2. Meyerhof: Pflügers Arch.182, 284 (1920);185, 11 (1920);188, 114 (1921);191, 128 (1921);195, 22 (1922).
3. Embden: Hoppe-Seylers Z.113, 1 (1921);118, 1 (1922);127, 181 (1923);167, 114 (1927);181, 130 (1929); Klin. Wschr.1924, Nr 4/5, 129;1929, Nr 20, 913;1930, Nr 29, 1337.
4. Parnas: Biochem. Z.152 (1924);155 u.159 (1925);169 u.173 (1926).
5. Fiske u.Subbarow, Science65, 401 (1927).