Sakraoui, R., W. Dadci, Y. Chabi, and J. Banbura. “Breeding Biology of Barn Swallows Hirundo Rustica in Algeria, North Africa”. Ornis Fennica 82, no. 2 (July 1, 2005): 33–43. Accessed November 25, 2024. https://ornisfennica.journal.fi/article/view/133631.