Calligaris, Chiara, José Maria Calaforra, Franco Cucchi, Paolo Forti, in Luca Zini. 2018. „Effect of S Strong Rainstorm on the Hydrodynamics of the Puerto Princesa Underground River (Palawan, Philippines)“. Acta Carsologica 47 (1). Ljubljana, Slovenija. https://doi.org/10.3986/ac.v47i1.5000.