VEBERIČ, R. et al. 2005. Influence of foliar-applied phosphorus and potassium on photosynthesis and transpiration of ‘Golden Delicious’ apple leaves (Malus domestica Borkh.). Acta agriculturae Slovenica. 85, 1 (May 2005), 143–155. DOI:https://doi.org/10.14720/aas.2005.85.1.15269.