1. Abdel-Hafez, S.I.I. and El-Said, A.H.M. (1989) Seasonal variations of airborne fungi in wadi Qena desert, Egypt. Grana 28, 193–203.
2. Abdel-Rahman, T.M. (1973) Effect of radiation on air fungal population. M.Sc. Thesis, Faculty of Science, Cairo University.
3. Abou-El-Soud, S.M. (1974) Studies on fungus-air spora in Egypt. Ph.D. Thesis, Botany Department, Faculty of Science, Assiut University.
4. Ali, M.I., Salama, M.A. and Ali, T.M. (1976) Possible role of solar radiation on the viability of some air fungi in Egypt. Zbt. Bakt. II, 131, 529–534.
5. Cosentino, S., Pisano, P.L., Fadda, M.E. and Palmas, F. (1990) Pollen and mould allergy: aerobiologic survey of the atmosphere of Cagliari, Italy (1986–1988). Ann. Allergy 65, 393–400.