Gaskin, R., D. Horgan, K. Steele, and R. van_Leeuwen. “The Effect of Rainfall on Copper Spray Residues on Kiwifruit Foliage Fruit and Canes”. New Zealand Plant Protection, vol. 66, Jan. 2013, pp. 199-03, doi:10.30843/nzpp.2013.66.5611.