1. Methods of classification of venomous snakes;Klemmer,1968
2. Classification and distribution of European, North Africanand North and West Asiatic venomous snakes;Klemmer,1968
3. Snakes and scorpions: what are the risks for the traveller?;Chppaux;Med. Trop.,1997
4. Pharmacology and toxicology of snake venoms of Europe and the Mediterrenean regions;Boquet,1968
5. Symptomatology, pathology and treatment of bites by Near Eastern, European, and North African snakes;Gitter,1968