Wallraff, Hans Georg Verhaltensphysiologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Wallraff, H. G. (1986). Relevance of olfaction and atmospheric odours to pigeon homing. In G. Beugnon (Ed.), Orintation in space (pp. 71-80). Toulouse: I.E.C.