The significance of the sensory physiology of oribatid mites in their natural environment
  Further studies on the behaviour of Belba geniculosa Oudms. in relation to various environmental stimuli
  The behaviour of Belba geniculosa Oudems. and certain other species of oribatid mites in controlled temperature gradients
  The humidity reactions of oribatid mites
  The water-relations of Belba geniculosa Oudms. and other species of oribatid mites