Sanchez-Serrano, J. J., Pena-Cortes, H., Willmitzer, L., & Prat, S. (1990). Identification
of Potato Nuclear Proteins Binding to the Distal Promoter Region of the Proteinase Inhibitor-Ii Gene.
Proceedings of the National Academy of Sciences of the United States of America, 87(18),
7205-7209. doi:10.1073/pnas.87.18.7205.