Temniskova-Topalova, D. N., & Ognyanova-Rumenova, N. G. (1988). Neogene non-marine diatoms from sediments of Sofia Valley, Bulgaria. [Stockholm]: [s.n.].
Chicago Style CitationTemniskova-Topalova, Dobrina N., and Nadja G. Ognyanova-Rumenova. Neogene Non-marine Diatoms From Sediments of Sofia Valley, Bulgaria. [Stockholm]: [s.n.], 1988.
MLA CitationTemniskova-Topalova, Dobrina N., and Nadja G. Ognyanova-Rumenova. Neogene Non-marine Diatoms From Sediments of Sofia Valley, Bulgaria. [Stockholm]: [s.n.], 1988.
Warning: These citations may not always be 100% accurate.