P.K. Rai and Kuldeep Singh, S.S. Pal, Pardeep Kumar,. 2014. “Effects of Elevated CO2 on SOC Pools under Resource Conservation in a Rice-Wheat System of IGP”. Journal of the Indian Society of Soil Science 62 (3). https://epubs.icar.org.in/index.php/JISSS/article/view/45557.