pid type title authors mentors source_title published_date url doi isbn issn eissn hgi:13 "journal article" "Study of Groundwater Flow Properties in a Karst System by Coupled Analysis of Diverse Environmental Tracers and Discharge Dynamics" "Stroj, Andrej; Briški, Maja; Oštrić, Maja" pmf:8525 "journal article" "Northern Velebit (Croatia) karst hydrological system: results of a preliminary 2H and 18O stable isotope study" "Paar, Dalibor; Mance, Diana; Stroj, Andrej; Pavić, Mirja"