1. Armstrong, R. L., 1991. A brief history of geochronometry and radiogenic isotopic studies. In Haeman, L., and Ludden, J. N. (eds.), Applications of Radiogenic Isotope Systems to Problems in Geology. Toronto: Mineral Association Canada, Vol. 19, pp. 1–26.
2. Aronson, J. L., and Hower, L., 1976. Mechanism of burial metamorphism of argillaceous sediments. 2. Radiogenic argon evidence. Geological Society of America Bulletin, 87, 738–744.
3. Cassignol, C., and Gillot, P. Y., 1982. Range and effectiveness of unspiked potassium-argon dating: experimental ground-work and applications. In Odin, G. S. (ed.), Numerical Dating in Stratigraphy. Chichester, Part 1: Wiley, pp. 159–179.
4. Clauer, N., and Chaudhuri, S., 1995. Clays and Crustal Cycles. Heidelberg/New York: Springer. 359 p.
5. Clauer, N., Środoń, J., Francú, J., and Šucha, V., 1997. K-Ar dating of illite fundamental particles separated from illite/smectite. Clay Minerals, 32, 181–196.