ACKNOWLEDGEMENTS
In this page we express hearty acknowledgement to our colleagues and friends!
We thank to Petr Balej (Ostrava, Czech Republic), Georgi Krastev (Sofia University "St. Kl. Ohridski"), Bogoljub Sterijovski (FNSM, University of Skopje, Macedonia), Ivelin Mollov (University of Plovdiv “P. Hilendarski”), Dr. Mario Langourov (Institute of Zoology, BAS), Dr. Stoyan Lazarov (Institute of Zoology, BAS), Dr. Vulko Biserkov (CLGE, BAS), Beniamin Tsvetkov (Varna), Rastko Ajtić (BID "J. Pančić", Belgrade), Jelka Crnobrnja-Isailović (IBR "S. Stanković", Belgrade), Dragan Chobanov (Sofia University "St. Kl. Ohridski"), Lucas Christelle (France), Julian Bozhilov (Sofia), Dr. Stoyan Beshkov (NMNH, BAS), Ivajlo Rajkov (Shoumen University) and Nikolay Raychev for the photos.
To Dr. Mario Langourov, Petr Balej, Dr. Stoyan Lazarov, Beniamin Tzvetkov, Dragan Chobanov and Viktor Vasilev (Shoumen University) for the new localities of some species in Black Sea Coast, Strandzha and Rhodopes Mts. etc. (these localities are included in the distribution-maps).
To Bogoljub Sterijovski for the materials on the herpetofauna of Macedonia.
To Ljiljana Tomović (Institute of Zoology, Belgrade), Rastko Ajtić and Jelka Crnobrnja-Isailović for the materials on the herpetofauna of Serbia.
To Dr. Stanislav Abadjiev (Institute of Zoology, BAS) for the permission to use his UTM-map of Bulgaria.