1. Al-Hafid, H.T., Gupta, S.C., Al-Mashhadani, M., and Buni, K.: ‘Study of microwave propagation under adverse dust storm conditions’, 3rd World Telecom. Forum, 1979), p. 2.3.7.1– 2.3.7.3
2. Morales, C., Saharan Dust, (John Wiley & Sons 1977)
3. ‘Echo intensities and attenuation due to clouds rain hail sand and dust storms at centimetre wavelengths’, Research Laboratories of General Electric Company Ltd., 1941 p. 22–24