Ruban D.A. (2008) Phanerozoic environmental changes in the Caucasus and adjacent areas: stratigraphy, fossil diversity, mass extinctions, sea-level fluctuations, and tectonics. PhD thesis, University of Pretoria, Pretoria.
Pdf’s are available through: http://upetd.up.ac.za/thesis/available/etd-05302009-124049/
Pdf-files include 21 recently published papers by Dmitry Ruban, mainly devoted to the Mesozoics of the Caucasus, to changes of the biodiversity through time, etc