Birkett, M. A., Bruce, T. J. A. and Pickett, J. A. 2011. Erratum to 'Repellent activity of Nepeta grandiflora and Nepeta clarkei (Lamiaceae) against the cereal aphid, Sitobion avenae (Homoptera: Aphididae)' [Phytochem. Lett. 3 (2010) 139-142]. Phytochemistry Letters. 4, p. 57. https://doi.org/10.1016/j.phytol.2010.10.008
Birkett, M. A., Bruce, T. J. A. and Pickett, J. A. 2010. Repellent activity of Nepeta grandiflora and Nepeta clarkei (Lamiaceae) against the cereal aphid, Sitobion avenae (Homoptera: Aphididae). Phytochemistry Letters. 3, pp. 139-142. https://doi.org/10.1016/j.phytol.2010.05.001
Noleto-Dias, C., Harflett, C., Beale, M. H. and Ward, J. L. 2020. Sulfated flavanones and dihydroflavonols from willow. Phytochemistry Letters. 35 (February), pp. 88-93. https://doi.org/10.1016/j.phytol.2019.11.008