Slavchev, M., Dyugmedzhiev, A., Vergilov, V., 2022. Pelobates fuscus (Common Spadefoot Toad) and Pelophylax ridibundus (Marsh Frog). Interspecific amplexus. — Herpetological Review, 53 (3): 474. [PDF]
Vergilov, V., Dyugmedzhiev, A., Georgieva, S., Slavchev, M., 2021. A case of Emys orbicularis (L.) feeding on newts from Bulgaria. — Historia naturalis bulgarica, 43 (2): 25—27. [PDF] doi:10.48027/hnb.43.021
Tzankov, N., Slavchev, M., 2016. Diversity and Relationships of Vertebrate Fauna of Pastrina Hill, a Poorly Studied Hot-spot Karstic Region in Northwestern Bulgaria. — Acta zoologica bulgarica, 68 (1): 55—970.
Slavchev, M., Tzankov, N., Popgeorgiev, G., 2014. Impact of fires on spatial distribution patterns of the Hermann’s Tortoise (Testudo hermanni) in a heavily affected area in Bulgaria. — Bulgarian Journal of Agricultural Science, Supplement 1: 135—138.
Slavchev, M., Tzankov, N., 2014. Herpetofaunal assemplages in isolated wetlands. — с. 87. Първа национална конференция по биотехнология, 30 години Биотехнология в България/Научна конференция Климентови дни, 17—18, октомври 2014 г., София, Биологически факултет, 101 с.
Slavchev, M., Tzankov, N., Popgeorgiev, G., 2013. Impact of fires on the spatial distribution patterns of the Hermann’s Tortoise (Testudo hermanni). — International Conference ‘Bioscience — development and new opportunities’ — Kliment’s days, Faculty of Biology, Sofia University ‘St. Kliment Ohridski’, 20th — 22nd November 2013.
Slavchev, М., Tzankov, N., Popgeorgiev, G., 2012. Species diversity in relation to habitats diversity. — Младежка научна конференция ‘Климентови дни’ 22—23 ноември, 2012, сборник статии, 3: 20.