1. STAR Institute, Babeș-Bolyai University, Cluj-Napoca, Romania
2. Natural History Department, Țării Crișurilor Museum, Oradea, Romania
3. Natural History Department, Mureș County Museum, Târgu Mureș, Romania
4. ’Emil Racoviță’ Speleological Institute, Bucharest, Romania
5. Transgex SA, Geological Compartment, Oradea, Romania