1. Gordon-Kamm, W.J., Spencer, T.M., Mangano, M.L., Adams, T.R., Daines, R.J., Start, W.G., O’Brien, J.V., Chambers, S.A., Whitney, J., Adams, R., Willetts, N.G., Rice, T.B., Mackey, C.J., Krueger, R.W., Kausch, A.P., and Lemaux, P.G. (1990) Transformation of maize cells and regeneration of fertile transgenic plants. Plant Cell 2, 603–618.
2. Armstrong, C.L. (1999) The first decade of maize transformation: a review and future perspective. Maydica 44, 101–109.
3. Klein, T.M., Wolf, E.D., Wu, R., and Sanford, J.C. (1987) High-velocity microprojectiles for delivering nucleic acids into living cells. Nature 327, 70–73.
4. Sanford, J.C., Devit, M.J., Russell, J.A., Smith, F.D., Harpending, P.R., Roy, M.K., and Johnston, S.A. (1991) An improved, helium-driven biolistic device. Tech J Meth Cell Mol Biol 3, 3–16.
5. McCabe, D. and Christou, P. (1993) Direct DNA transfer using electric discharge particle acceleration (ACCELL™ technology). Plant Cell Tissue Organ Cult 33, 227–236.