Dhaila, S., and S.P. Singh. “Foliar Nitrogen Dynamics in Co-Existing Evergreen and Deciduous Species in Oak Forest”. Oecologia Montana 3, no. 1-2 (December 1, 1994): 19-23. Accessed November 14, 2019. https://om.vuvb.uniza.sk/index.php/OM/article/view/36.