Sinkovics, J; Harvath J; Horak A. (1998). "The origin and evolution of viruses (a review)". Acta Microbiologica et Immunologica Hungarica. 45 (3–4). Akademiai Kiado: 349–90. ISSN1217-8950. PMID9873943.
Sinkovics, J; Harvath J; Horak A. (1998). "The origin and evolution of viruses (a review)". Acta Microbiologica et Immunologica Hungarica. 45 (3–4). Akademiai Kiado: 349–90. ISSN1217-8950. PMID9873943.