1. Bredig, G. & Fiske, P.S. 1912 Durch Katalysatoren bewirkte asymmetrische Synthese. Biochem. Z. 46, 7–23.
2. Claus, R., Hoppen, H.D. & Karg, H. 1981 The secret of truffles: a steroidal pheromone? Experientia 37, 1178–1179.
3. Cope, A.C., Fenton, S.W. & Spencer, C.F. 1952 Cyclic polyolefines. XXV. Cycloöctanediols. Molecular rearrangement of cycloöctene oxide on solvolysis. J. Am. Chem. Soc. 74 , 5884–5888.
4. Dickinson, R.G. & Raymond, A.L. 1923 The crystal structure of hexamethylene-tetramine. J. Am. Chem. Soc. 45, 22–29.
5. Dunitz, J.D. 1969 Conformations of medium rings. In Perspectives in structural chemistry (ed. J.D. Dunitz & J.A. Ibers), vol. 2, pp. 1–70. New York: Wiley.