Kostov, K.S., Dobrev, N., Stemberk, J., Briestenský, M. and Ivanov, P. 2018. Monitoring of microdisplacements in Golyamata Tsepnatina cave, Madara plateau, NE Bulgaria. Acta Carsologica. 47, 1 (Sep. 2018). DOI:https://doi.org/10.3986/ac.v47i1.5149.