Stein, J. C., Howlett, B., Boyes, D. C., Nasrallah, M. E., & Nasrallah, J. B. (1991). Molecular cloning of a putative receptor protein kinase gene encoded at the self-incompatibility locus of Brassica oleracea.

Stein, J C., B. Howlett, D C. Boyes, M E. Nasrallah, and J B. Nasrallah. Molecular Cloning of a Putative Receptor Protein Kinase Gene Encoded At the Self-incompatibility Locus of Brassica Oleracea. 1991.

Stein, J C., et al. Molecular Cloning of a Putative Receptor Protein Kinase Gene Encoded At the Self-incompatibility Locus of Brassica Oleracea. 1991.