Rupes V, Moravec J, Chmela J, Ledvinka J, Zelenkova J (1995)
A resistance of head lice (Pediculus capitis) to permethrin in Czech Republic
Central European Journal of Public Health 3: 30

Rupes V, Ledvinka J, Chmela J, Pinterova J (1984)
Susceptibility to DDT and some other insecticides of head lice (Pediculus capitis De Geer) in Czechoslovakia
Folia Parasitol 31: 169