Veress, M., Hegedűs, A., Cikovac, P., A., R. D., & Péntek, K. (2019). A Comparison of the Genetic Shaft Types of Some Karst Areas Based on Their Specific Shaft Lengths. Journal of Geological Research, 1(3), 40–50. https://doi.org/10.30564/jgr.v1i3.1686