1. Les inondations de 1969 en Tunisie meridionale;Ballais;Bull. Soc. Hist. Nat. Afr. Nord,1973
2. The salt norm: a quantitative chemical methodological characterisation of natural waters;Bodine;USGS Water Resour. Invest., 86-4086,1986
3. Principles of oceanic salt deposition and metamorphism;Borchert;Bull. Geol. Soc. Am.,1969
4. The temperature of evaporite formation;Braitsch,1964