Magan, D., R. K. Yadav, and K. K. Deepak. “Comparative Analysis of Depth of Meditation Between Long-Term and Short Term Meditators Using Electroencephalography”. International Journal of Clinical and Experimental Physiology, Vol. 5, no. 4, Mar. 2019, pp. 178-83, doi:10.5330/ijcep.2018.5.4.18.