https://doi.org/10.1128/jb.173.5.1576-1589.1991
Rehácek, J., Urvölgyi, J., Kocianová, E., Sekeyová, Z., Vavreková, M., & Kovácová, E. (1991). Extensive examination of different tick species for infestation with Coxiella burnetii in Slovakia.European Journal of Epidemiology , 7, 299-303.