CSICSAY, K., BIELIK, M., MOJZEŠ, A., SPEVÁKOVÁ, E., KYTKOVÁ, B. and GRINČ, M. (2012) “Linearization of the Sobolev and Babeyko’s formulae for transformation of P-wave velocity to density in the Carpathian-Pannonian Basin region”, Contributions to Geophysics and Geodesy, 42(1), pp. 15-23. doi: 10.2478/v10126-012-0002-y.