Kaufman, G., C. Mayaud, B. Kogovšek, and F. Gabrovšek. “Understanding the Temporal Variation of Flow Direction in a Complex Karst System (Planinska Jama, Slovenia)”. Acta Carsologica, vol. 49, no. 2-3, Dec. 2020, doi:10.3986/ac.v49i2-3.7373.