Springer, N. M., Danilevskaya, O. N., Hermon, P., Helentjaris, T. G., Phillips, R. L., Kaeppler, H. F., & Kaeppler, S. M. (2002). Sequence Relationships, Conserved Domains, and Expression Patterns for Maize Homologs of the Polycomb Group Genes E(z), esc, and E(Pc). American Society of Plant Physiologists.

Springer, Nathan M., Olga N. Danilevskaya, Pedro Hermon, Tim G. Helentjaris, Ronald L. Phillips, Heidi F. Kaeppler, và Shawn M. Kaeppler. Sequence Relationships, Conserved Domains, and Expression Patterns for Maize Homologs of the Polycomb Group Genes E(z), Esc, and E(Pc). American Society of Plant Physiologists, 2002.

Springer, Nathan M., et al. Sequence Relationships, Conserved Domains, and Expression Patterns for Maize Homologs of the Polycomb Group Genes E(z), Esc, and E(Pc). American Society of Plant Physiologists, 2002.