- Laura Bader, Christine M. O'Keefe, and Tim Penttila, Some remarks on flocks, J. Aust. Math. Soc. 76 (2004), no. 3, 329–343.[MR]
- Aart Blokhuis, Robert S. Coulter, Marie Henderson, and Christine M. O'Keefe, Permutations amongst the Dembowski-Ostrom polynomials, Finite fields and applications (Augsburg, 1999), Springer, Berlin, 2001, pp. 37–42.[MR]
- Werner Nickel, Alice C. Niemeyer, Christine M. O'Keefe, Tim Penttila, and Cheryl E. Praeger, The block-transitive, point-imprimitive 2-(729,8,1) designs, Appl. Algebra Engrg. Comm. Comput. 3 (1992), no. 1, 47–61.[MR]