03 Dec 2014, 08:27 · Topic 1445 · Post 7566
Dear Colleagues and friends,
In the attachment please find the First Circular of the 23rd International Karstological School and 50th Anniversary of International Union of Speleology; Postojna, June 15th - 20th , 2015.
We are looking forward to see you there very numerous,
Jean-Pierre Bartholeyns
UIS Adjunct Secretary