The effect of presence of females on spermatogenesis and early mate seeking behaviour in two species of Dermacentor ticks (Acari: Ixodidae)
  Radioisotope tagging for studies on the ecology of the sheep tick, Ixodes ricinus (L.)
  Ixodes crenulatus Koch, 1844. Synonymy with I. kaiseri Arthur, 1957 and redescriptions of the male, female, nymph and larva (Acarina: Ixodidae)
  The identification of larvae of the genus Argas (Acarina: Argasidae)