Martin, Jonathan B., Amy Brown, in John Ezell. „Do Carbonate Karst Terrains Affect the Global Carbon Cycle?“. Acta Carsologica 42, no. 2-3 (december 10, 2013). Pridobljeno julij 18, 2024. https://ojs.zrc-sazu.si/carsologica/article/view/660.