1. Relation of PLT-organisms to the Rickettsiae, with special reference to structure and multiplication;Armstrong;Acta Virol,1968
2. Ribosome crystallization. II. Ultrastructural study on nuclear and cytoplasmic ribosome crystallization in hypothermic cell cultures;Barbieri;J. Submicrosc. Cytol,1970
3. Advances in rickettsial research;Brezina;Curr. Top. Microbiol,1969
4. Ultrastructure comparée de Rickettsiella melolonthae (Rickettsiales Wolbachiae) et de l'agent de la lymphogranulomatose vénérienne (Rickettsiales Chlamydiaceae);Devauchelle;C. R. Acad. Sci. Paris,1971
5. “Multiple cell division” as mode of reproduction of a cell-parasitic bacterium;Götz;Naturwissenschaften,1971