Bachheti, A., Vasistha, H. .B. and Bachheti, R.K. 2010. Nutrient returns through litter fall in age series of rehabilitated limestone mined areas of Mussoorie hills. Environment Conservation Journal. 11, 3 (Dec. 2010), 113–116. DOI:https://doi.org/10.36953/ECJ.2010.110322.