Higgins, J. D., Sanchez-Moran, E., Armstrong, S. J., Jones, G. H., & Franklin, F. C. H. (2005). The Arabidopsis synaptonemal complex protein ZYP1 is required for chromosome synapsis and normal fidelity of crossing over. Cold Spring Harbor Laboratory Press.

Higgins, James D., Eugenio Sanchez-Moran, Susan J. Armstrong, Gareth H. Jones, and F. Chris. H. Franklin. The Arabidopsis Synaptonemal Complex Protein ZYP1 Is Required for Chromosome Synapsis and Normal Fidelity of Crossing Over. Cold Spring Harbor Laboratory Press, 2005.

Higgins, James D., et al. The Arabidopsis Synaptonemal Complex Protein ZYP1 Is Required for Chromosome Synapsis and Normal Fidelity of Crossing Over. Cold Spring Harbor Laboratory Press, 2005.