Relationships between climate and vertical position of Rhipicephalus sanguineus and R. bursa (Ixodidae) under natural conditions
  Variations in the response of Rhipicephalus bursa larvae (Acarina: Ixodidae) to climate, under field conditions
  The seasonal dynamics of Haemaphysalis punctata, Rhipicephalus bursa and Dermacentor marginatus (Acari, Ixodidae) on sheep of Pais Vasco (Spain)
  Studies on activity of Rhipicephalus (Digeneus) bursa (Acarina: Ixodidae), under natural conditions