Barlow, P (2005). "Patterned cell determination in a plant tissue: The secondary phloem of trees". BioEssays. 27 (5): 533–41. doi:10.1002/bies.20214. PMID15832381.
Schuurink, Robert C.; Haring, Michel A.; Clark, David G. (2006). "Regulation of volatile benzenoid biosynthesis in petunia flowers". Trends in Plant Science. 11 (1): 20–25. doi:10.1016/j.tplants.2005.09.009. PMID16226052.
Barlow, P (2005). "Patterned cell determination in a plant tissue: The secondary phloem of trees". BioEssays. 27 (5): 533–41. doi:10.1002/bies.20214. PMID15832381.
Schuurink, Robert C.; Haring, Michel A.; Clark, David G. (2006). "Regulation of volatile benzenoid biosynthesis in petunia flowers". Trends in Plant Science. 11 (1): 20–25. doi:10.1016/j.tplants.2005.09.009. PMID16226052.