Citation: J. Hegelbach, Water temperature and phytophenology indicate the earlier onset of oviposition in Eurasian Dipper (Cinclus cinclus) from the Swiss Lowlands, J ORNITHOL, 142(3), 2001, pp. 284-294
Citation: J. Hegelbach et R. Spaar, Annual variation in singing activity of the Song Thrush (Turdus philomelos), with comments on high postbreeding song output., J ORNITHOL, 141(4), 2000, pp. 425-434