Wöese, Carl. The Genetic Code. New York: Harper and Row, 1967.
178
Kruger, K., Р. J. Grabowski, A. J. Zaug, J. Sands, D. E. Gottsch-ling, T. R. Cech (ноябрь 1982). “Self-splicing RNA: autoexcision and autocyclization of the ribosomal RNA intervening sequence of Tetrahymena.” Cell 31 (1), стр. 147–157.
