Geologia strukturalna, tektonika i geotektonika, planetologia.

Kp. The Ngorongoro Crater as the biggest geotouristic attraction of the Gregory Rift (Northern Tanzania, Africa) - geographical setting [Dokument elektroniczny] / Jerzy Żaba, Krzysztof Gaidzik // Geoturystyka [Dokument elektroniczny]. - Nr 1/2=24/25 (2011), s. 3-26. (University of Silesia, Faculty of Earth Sciences, Department of Fundamental Geology, ul. Będzińska 60, 41-200 Sosnowiec).

UŚ KGP, 29.02.2012 http://kgp.wnoz.us.edu.pl/strona,symbol,pracownicy,id,43.html