Konferenzbeitrag
Gahr, M.: The role of estrogen in the differentiation of the vocal control system of songbirds. In: Perspectives in Comparative Endocrinology, Bd.
1994, S. 455 - 463 (Hg. Davey, K. G.). XII International Congress of Comparative Endocrinology, Toronto, 16. Mai 1993 - 21. Mai 1993. National Research Council of Canada, Ottawa (1994)