Marsico, Antonella, Gianlucca Selleri, Giuseppe Mastronuzzi, Paolo Sansň, in Nicola Walsh. „Cryptokarst: A Case-Study of the Quaternary Landforms of Southern Apulia (Southern Italy)“. Acta Carsologica 32, no. 2 (maj 24, 2016). Pridobljeno december 9, 2025. https://ojs.zrc-sazu.si/carsologica/article/view/344.