Ikawa, Y., Tsuda, K., Matsumura, S., Atsumi, S., & Inoue, T. (2003). Putative intermediary stages for the molecular evolution from a ribozyme to a catalytic RNP. Oxford University Press.

Ikawa, Yoshiya, Kentaro Tsuda, Shigeyoshi Matsumura, Shota Atsumi, and Tan Inoue. Putative Intermediary Stages for the Molecular Evolution From a Ribozyme to a Catalytic RNP. Oxford University Press, 2003.

Ikawa, Yoshiya, et al. Putative Intermediary Stages for the Molecular Evolution From a Ribozyme to a Catalytic RNP. Oxford University Press, 2003.