Norfolk, O., & Dathe, H. 2019: Filling the Egyptian pollinator knowledge-gap: checklist of flower-visiting insects in South Sinai, with new records for Egypt - Beitr├Ąge Zur Entomologie = Contributions to Entomology 69(1): 175-184 - doi: 10.21248/contrib.entomol.69.1.175-184