Fransson, Thord, Sven Jakobsson, Cecilia Kullberg, Roger Mellroth, and Thomas Pettersson. 2006. “Fuelling in Front of the Sahara Desert in autumn—an Overview of Swedish Field Studies of Migratory Birds in the Eastern Mediterranean”. Ornis Svecica 16 (1–2). Lund, Sweden:74-83. https://doi.org/10.34080/os.v16.22723.