C. W. Hädicke, S. M. Blank, H. Pohl, C. H. G. Müller, and A. Sombke, “Sensing the world without antennae and eyes: external structure and distribution of sensilla in Eosentomon pinetorum Szeptycki, 1984 and on the protarsus of Acerentomon franzi Nosek, 1965 (Hexapoda: Protura)”, SOIL ORG, vol. 87, no. 1, pp. 29–49, Apr. 2015.