1. R. V. Catediano, Análisis de Residuos de Aluminio, Technical Report, No. RI. 89185 (edited by ITSEMAP) (1989).
2. A. Bahr and J. Kues, Processing of salt slags from aluminium remelting plants. In Proc. Complex Metallurgy '78, London (edited by GDMB/IMM), pp. 134-143 (1978).
3. J. L. Povkh, B. V. Chekin, V. A. Smirnov, V. M. Bazileskii, V. M. Okunev and V. A. Popov, USSR Patent 353990 (1969).