van Tunen, A. J., Koes, R. E., Spelt, C. E., van der Krol, A. R., Stuitje, A. R., & Mol, J. N. (1988). Cloning of the two chalcone flavanone isomerase genes from Petunia hybrida: Coordinate, light-regulated and differential expression of flavonoid genes.

van Tunen, A J., R E. Koes, C E. Spelt, A R. van der Krol, A R. Stuitje, and J N. Mol. Cloning of the Two Chalcone Flavanone Isomerase Genes From Petunia Hybrida: Coordinate, Light-regulated and Differential Expression of Flavonoid Genes. 1988.

van Tunen, A J., et al. Cloning of the Two Chalcone Flavanone Isomerase Genes From Petunia Hybrida: Coordinate, Light-regulated and Differential Expression of Flavonoid Genes. 1988.