1. Anderson, B. C., H. Lumer andJ. L. J. Zupanic: Growth and variability inDaphnia pulex. Biol. Bull. Mar. biol. Labor. Wood's Hole73, 444 (1937).
2. Backman, Gaston: Wachstum und organische Zeit. Bios15, 200 (1943). S. dort weiteres, eigenes Schrifttum.
3. Boas, Fr.: Growth of Toronto children. Rep. U. S. Comm. of Educat. 1896,97, p. 1541. 1898.
4. Boas, Fr. andCl. Wissler: Statistics of growth. Rep. Comm. of Educat.1, 25 (1906).
5. Bowditch, H. P.: Rep. Mass. State Board of Health, 1877.