Fine structure of the male genital systems, spermatophores and unusual sperm cells of Saxidromidae (Acari, Actinotrichida)
  A generic revision of the family Tydeidae (Acari, Actinedida) .2. Organotaxy of the idiosoma and gnathosoma
  Studies on internal anatomy of Calyptostomidae (Acari, Trombidiformes)