^Arnold, H.P., Zillig, W., Ziese, U., Holz, I., Crosby, M., Utterback, T., Weidmann, J.F., Kristjanson, J.K., Klenk, H.P., Nelson, K.E. and Fraser, C.M. (2000). A novel lipothrixvirus, SIFV, of the extremely thermophilic crenarchaeon Sulfolobus. Virology, 267, 252–266.
^Janekovic, D., Wunderl S, Holz I, Zillig W, Gierl A, Neumann H (1983) TTV1, TTV2 and TTV3, a family of viruses of the extremely thermophilic anaerobic, sulphur reducing, archaeabacterium Thermoproteus tenax. Mol. Gen. Genet. 19239–19245
^Bettstetter, M., Peng, X., Garrett, R.A. and Prangishvili, D. (2003). AFV-1, a novel virus infecting hyperthermophilic archaea of the genus Acidianus. Virology, 315, 68–79.