1. The development of bird migration theory;Alerstam;J. Avian Biol.,1998
2. Radio-tracking small aerial foraging birds: a preliminary study of the sand martin Riparia riparia;Alves;Avocetta,1994
3. Population limitation in Palaearctic-African migrant passerines;Baillie;Ibis,1992
4. Adaptive divergence in morphology and behaviour in some New World island birds: with special reference to Vireo altiloquus;Barlow;Proc. Int. Ornithol. Congr.,1988