Conference Paper
Schwabl, H.: Endocrine aspects of partial migration. In: Acta XIX Congressus Internationalis Ornithologici, Vol.
II, pp. 1722 - 1737 (Ed. Ouellet, H.). XIX Congressus Internationalis Ornithologici, Ottawa, Canada, June 22, 1986 - June 29, 1986. University of Ottawa Press, Ottawa (1988)