Ilves, I., Kivi, S., & Ustav, M. (1999). Long-Term Episomal Maintenance of Bovine Papillomavirus Type 1 Plasmids Is Determined by Attachment to Host Chromosomes, Which Is Mediated by the Viral E2 Protein and Its Binding Sites. American Society for Microbiology.

Ilves, Ivar, Sirje Kivi, ja Mart Ustav. Long-Term Episomal Maintenance of Bovine Papillomavirus Type 1 Plasmids Is Determined By Attachment to Host Chromosomes, Which Is Mediated By the Viral E2 Protein and Its Binding Sites. American Society for Microbiology, 1999.

Ilves, Ivar, Sirje Kivi, ja Mart Ustav. Long-Term Episomal Maintenance of Bovine Papillomavirus Type 1 Plasmids Is Determined By Attachment to Host Chromosomes, Which Is Mediated By the Viral E2 Protein and Its Binding Sites. American Society for Microbiology, 1999.