Simov, N., Langourov, M., Sakalian, V., Bozukov, V., 2021. First fossil jewel beetle (Insecta: Coleoptera: Buprestidae) from Middle Miocene deposits in Bulgaria. — Historia naturalis bulgarica, 42: 31—34. [PDF] doi:10.48027/hnb.42.052
Simov, N., Langourov, M., Pavlova, A., Hubenov, Z., Bozukov, V., 2021. First record of fossil Diptera (Insecta) in Miocene deposits in Bulgaria. — Comptes rendus de l’Académie bulgare des Sciences 74 (2): 233—240. doi:10.7546/CRABS.2021.02.10 [PDF]
Koynova, T. V., Valkova, S. I., Simov, N. P., Langourov, M. S., Natchev, N. D., 2021. Data on the Stomach Content Analysis and Fat-body Morphology in the Agile Frog (Rana dalmatina Fitzinger in Bonaparte, 1838) during the Mating Season in Bulgaria. — Ecologia Balkanica, 13 (1): 27—33. [PDF]
Stoianova, D., Simov, N., Vu, M. Q., Nguyen, D. M., Grozeva, S., 2020. New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera). — Comparative Cytogenetics, 14 (1): 139—156. doi:10.3897/CompCytogen.V14i1.48709
Nikolov, V., Dochev, D., Pavlishina, P., Brusatte, S., Yaneva, M., Konyovska, R., Vergilov, V., Simov, N., Spassov, N., Hristova, L., 2020. Welcome to “Cretaceous Park”: Three years of research at the Late Cretaceous tetrapod fossil site near the town of Tran, Western Srednogorie. — Review of the Bulgarian Geological Society, 81 (3): 141—143.
Käfer, H., Kovac, H., Simov, N., Battisti, A., Erregger, B., Schmidt, A. K. D., Stabentheiner, A., 2020. Temperature Tolerance and Thermal Environment of European Seed Bugs. — Insects, 11 (3) 197: 1—17. doi:10.3390/insects11030197
Асенова, А., Лангуров, М., Симов, Н., Бекчиев, Р., 2020. Бъдете равни с природата. Учебно помагало за деца от предучилищна възраст. — Община Кюстендил, Национален природонаучен музей—БАН, София, 56 с. [PDF]
Асенова, А., Лангуров, М., Симов, Н., Бекчиев, Р., 2020. Будите једнаки са природом. Кратка образовна књижица за децу предшколског узраста. — Општина Ћустендил, Национални природњачки музеј—БАН, Софија, 55 с. [PDF]
Roth, S., Balvin, O., Siva-Jothy, M. T., Di Iorio, O., Benda, P., Calva, O., Faundez, E. I., Anwarali Khan, F. A., McFadzen, M., Lehnert, M. P., Naylor, R., Simov, N., Morrow, E. H., Willassen, E., Reinhardt, K., 2019. Bedbugs Evolved before Their Bat Hosts and Did Not Co-speciate with Ancient Humans. — Current Biology, 29: 1847—1853. doi:10.1016/j.cub.2019.04.048
Langourov, M., Simov, N., Abadjiev, S., 2019. Notes on the distribution of some species of Lepidoptera in Kazakhstan. — Historia naturalis bulgarica, 36: 1—6. [PDF] doi:10.48027/hnb.36.01001