1. Epidemiology of Lyme disease in Spain;Anda,1991
2. Population Biology of Infectious Diseases,1982
3. Occurrence and distribution of Culex pipiens complex;Barr;Bull. WHO,1967
4. Les puces synanthropes;Beaucournu;Bull. Soc. Francaise Parasitol.,1990
5. Le Mie Pulci.;Berlinguer,1988