FRANCŮ, Eva, Juraj FRANCŮ and
Jiří KALVODA. Illite crystalinity and vitrinite reflectance in Paleozoic siliciclastics in the Bohemian Massif as evidence of thermal history.
Geologica Carpathica. Bratislava: SAV, 1999, vol. 50, No 5, p. 65-71. ISSN 1335-0552.