Catoni, Rosangela, et al. “Carbon Gain Optimization in Five Broadleaf Deciduous Trees in Response to Light Variation Within the Crown: Correlations Among Morphological, Anatomical and Physiological Leaf Traits”. Acta Botanica Croatica, vol. 74, no. 1, Apr. 2015, https://ojs3.abc.botanic.hr/index.php/abc/article/view/1061.