B. Appezzato-da-Gloria and S. Miranda-Stalder, “ The foliar and floral stalk anatomy of strawberry plants (Fragaria x ananassa) ‘Sequóia’ treated with plant growth regulators ”, An. Esc. Super. Agr. Luiz de Queiroz, vol. 48, pp. 127–154, Jan. 1991, doi: 10.1590/S0071-12761991000100008.