Lawrence, C. J., Schaeffer, M. L., Seigfried, T. E., Campbell, D. A., & Harper, L. C. (2007). MaizeGDB's new data types, resources and activities. Oxford University Press.

Lawrence, Carolyn J., Mary L. Schaeffer, Trent E. Seigfried, Darwin A. Campbell, and Lisa C. Harper. MaizeGDB's New Data Types, Resources and Activities. Oxford University Press, 2007.

Lawrence, Carolyn J., et al. MaizeGDB's New Data Types, Resources and Activities. Oxford University Press, 2007.