1. H. FREI, Effective and Economic Use of the Special Characteristics of Aluminium and its Alloys, London, 1972.
2. T. Z. BISHAY, J. Radioanal. Chem., 13 (1973) 87.
3. K. D. P. NIGAM, J. Inst. Eng. (India), Chem. Eng. Div., 54 (1974) 53.
4. P. A. BAEDECKER, Anal. Chem., 43 (1971) 405.
5. T. N. BLANKOVA, A. I. KALININ, N. E. KALININA, G. S. KHATMATDINOVA, Proc. Intern. Conf. Modern Trends in Activation Analysis, Vol. II, München, 1976, p. 983.