Morphological investigations of European Nicoletiellidae (Acari, Trombidiformes)
  Feeding biology and anatomy of the alimentary canal of Nicoletiellidae (Acari, Trombidiformes)
  Studies on internal anatomy of Calyptostomidae (Acari, Trombidiformes)
  The life-cycle of Calyptostomids (Acari, Trombidiformes)