Buchkapitel
Gwinner, E.; Dittami, J.: Photoperiodic responses in temperate-zone and equatorial stonechats: A contribution to the problem of photoperiodism in tropical organisms. In: The endocrine system and the environment, S. 279 - 294 (Hg. Follett, B.K.; Ishii, S.; Chandola, A.). Japan Sci. Soc. Press; Springer, Tokyo, Berlin, Heidelberg (1985)