1. Multicellular antennal sensilla containing a sensory cell with a short dendrite and densecore granules in the insect, Hypogastrura socialis (Collembola): intermolt and molting stages;Altner;Cell and Tissue Research,1985
2. Nouveaux cas d'épitoquie chez les Collemboles Hypogastruridae;Bourgeois;Pedobiologia,1974
3. Maxillary structures in Hypogastruridae (Collembola);Fjellberg;Annales dc la Societe Royale Zoologique de Belgique,1984
4. The Labial Palp in Collembola;Fjellberg;Zoologischer Anzeiger,1998