Jina, B., C. Bohra, Y. Rawat, and M. Bhatt. “Seasonal Changes in Soil Respiration Of Degraded And Non-Degraded Sites in Oak and Pine Forests of Central Himalaya”. Scientific World, vol. 6, no. 6, Feb. 2010, pp. 89-93, doi:10.3126/sw.v6i6.2641.