1. Al-Assiuty, A.I.M 1981. Ecological and experimental studies on the oribatid mite fauna of Egypt. PhD thesis, Fac. Sci., Tanta Univ., Tanta, Egypt.
2. Al-Assiuty, A.I.M., Bayoumi, B. M. Khalil, M.A. and Van Straalen, N.M. 1993. The influence of vegetational type on seasonal abundance and species composition of soil fauna at different localities in Egypt. Pedobiologia 37: 210?222.
3. Badejo, M. A. and Akinyemiju, O.A. 1988. Influence of atrazine on soil microarthropod fauna under maize (Zea mayz L.) in a humid tropical environment. Ife J. Agricul. 11: 41?50.
4. Badejo, M. A. and Van Straalen, N. M. 1992. Effects of atrazine on growth and reproduction of Orchesella cincta (Collembola). Pedobiologia 36: 221?230.
5. Bayoumi, B. M. B. 1978. Comparative ecological and taxonomical studies on the oribatid fauna (Acarina) in some deciduous forest. PhD thesis, Hung. Acad. Sci., Budapest.