Pelliciardi, V., L. Varvaro, and F. Maria Pulselli. “Emergy Evaluation of a Traditional Farming System. Case Study: Leh District (Ladakh - Indian Trans-Himalaya)”. European Journal of Sustainable Development, vol. 3, no. 4, Oct. 2014, p. 1, doi:10.14207/ejsd.2014.v3n4p1.