ŠIMKANIN, J., P. HEJDA, and D. JANKOVIČOVÁ. “Convection in Rotating Non-Uniformly stratified Spherical fluid Shells: A Systematic Parameter Study”. Contributions to Geophysics and Geodesy, Vol. 39, no. 3, Sept. 2009, pp. 207-20, doi:10.2478/v10126-009-0007-3.