Rights and permissions
About this article
Cite this article
Hagen, W. Der Mauersegler,Apus apus (L.), im Sommer 1923 bei Lübeck. J. Ornithol 72, 410–415 (1924). https://doi.org/10.1007/BF01905389
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF01905389