Pasa, Mateus da Silveira, et al. “Fruit Set and Yield of ‘Santa Maria’ and ‘Abate Fetel’ Pears Are Increased by Early Spring Application of Aminoethoxyvinilglycine (AVG)”. Revista De Ciências Agroveterinárias, vol. 16, no. 4, Jan. 2018, pp. 487-91, doi:10.5965/223811711642017487.