1. Arabia–Eurasia collision and the forcing of mid-Cenozoic global cooling;Allen;Palaeogeography, Palaeoclimatology, Palaeoecology,2008
2. The Miocene Climatic Optimum: evidence from ectothermic vertebrates of Central Europe;Böhme;Palaeogeography, Palaeoclimatology, Palaeoecology,2003
3. Macclintockia basinervis (Rossm.) Knobloch in the fossil flora of the Satovcha Graben in the Western Rhodopes;Bozukov;Fitologija,1995
4. The relationship between fossil flora from Satovcha Graben (the Western Rhodopes) and recent floras of North America and East Asia;Bozukov;Phytologia Balcanica,1996
5. Miocene macroflora of the Satovcha Graben (Western Rhodopes). II. Paleofloristic, paleoecological and phytogeographical analysis;Bozukov;Phytologia Balcanica,2001