1. Studies on the breeding biology of the Sand Martin Riparia riparia (L.) (Aves) in artificial nest sites;Asbirk;Vidensk. Med. dansk. naturh. Foren.,1976
2. Prispevok k poznaniu brehule obycajnej (Riparia r. riparia L.) (A contribution to the knowledge of hatching places of the sand martin [Riparia r. riparia L.]);Bencur;Biologia (Bratisl.),1977
3. Maße und Beringungsergebnisse von Uferschwalben des Münsterlandes;Berger;Natur u. Heimat,1966
4. The South Windsor Bank Swallow colony;Bergstrom;Bird Band.,1951
5. Nest life of the Bank Swallow;Beyer;Wils. Bull.,1938