150 years Bulgarian Academy of Sciences
90 years of organized cave movement in Bulgaria
10 years of ProKARSTerra
Conference-2019
September 29 - October 2- Invitation
- Committee
- Location
- List of Topics
- For Authors
- Deadlines
- Calendar
- Program
- Abstracts & Proceedings
- Registration
- Accommodation
- Excursion
- Additional information
- News
Competitions for karst 2019
- Art Competition karst`2019
- Competition karst`2019