1. Karst Research Group; School of Geosciences; University of South Florida; Tampa FL USA
2. Department of Geology; Babeş-Bolyai University; Cluj-Napoca Romania
3. Emil Racoviţă Institute of Speleology; Cluj-Napoca Romania
4. National Science Foundation; Alexandria VA USA
5. Paleoclimate Dynamics Group; Alfred Wegener Institute for Polar and Marine Research; Bremerhaven Germany