Kranjc, Andrej, Inštitut za raziskovanje Krasa, ZRC SAZU, Titov trg 2, 6230 Postojna, Slovenia, Slovenia

• Hacquetia Vol. 2 No. 2 (2003): Hacquetia - Articles
  Balthasar Hacquet, predecessor of modern Karstology
  Abstract  PDF (Slovenščina)