1. The “viroid” theory in relation to plasmagenes, viruses, cancer and plastids;ALTENBURG;Am. Nat.,1946
2. The symbiont theory in explanation of the apparent cytoplasmic inheritance in Paramecium;ALTENBURG;Am. Nat.,1946
3. The role of symbionts and autocatalysts in the genetics of the ciliates;ALTENBURG;Am. Nat.,1948
4. Observacoes em Zelerielas hiperparasitadas por entamebas (Protozoa, Mastigophora);AMARO;Atas. Soc. Biol. Rio de Janeiro,1962
5. Studies on killing particles from Paramecium: The structure of refractile bodies from Kappa particles;ANDERSON;J. Microscopie,1964