1. P.K. Iyengar: in Thermal Neutron Scattering (Ed. P.A. Egelstaff), Academic Press, 1965, p. 130.
2. J.A. Harvey, H.A. Mook, N.W. Hill, and O. Shahal: in Int. Conf. on Nuclear Data for Science and Technology, Antwerp 1982, (Ed. K.H. Bockhoff), ECSC, EEC, EAEC, Brussels and Luxembourg, 1983, p. 961.
3. M. Adib and M. Kilany: J. Rad. Phys. Chem. 66 (2003) 81.
4. M. Adib, N. Habib, A. Ashry, and M. Fathallah: Ann. Nucl. Energy 30 (2003) 1905.
5. M. Adib, K. Naguib, A. Ashry, and M. Fathallah: Ann. Nucl. Energy 29 (2002) 1119.