Zhang, X., Feschotte, C., Zhang, Q., Jiang, N., Eggleston, W. B., & Wessler, S. R. (2001). P instability factor: An active maize transposon system associated with the amplification of Tourist-like MITEs and a new superfamily of transposases. The National Academy of Sciences.

Zhang, Xiaoyu, Cédric Feschotte, Qiang Zhang, Ning Jiang, William B. Eggleston, and Susan R. Wessler. P Instability Factor: An Active Maize Transposon System Associated With the Amplification of Tourist-like MITEs and a New Superfamily of Transposases. The National Academy of Sciences, 2001.

Zhang, Xiaoyu, et al. P Instability Factor: An Active Maize Transposon System Associated With the Amplification of Tourist-like MITEs and a New Superfamily of Transposases. The National Academy of Sciences, 2001.