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♦ 1Sosnowski, J., & Chmielewski, S. (1996).
Breeding biology of the roller Coracias garrulus in Puszcza Pilicka forest (Central Poland). Acta ornithologica, 31(2), 119-131.
♦ 2Pseudopus apodus (PALLAS, 1775) from Jordan, with notes on its ecology (Sqamata: Sauria: Anguidae), LINA RIFAI & MOHAMMAD ABU BAKER & DARWEESH AL SHAFEI & AHMAD DISI & AHMAD MAHASNEH & ZUHAIR AMR, HERPETOZOA 18 (3/4): 133 - 140, Dezember 2005