Ravi Sankar, R. S., and S. V. Jayaram Kumar. “Immitance Based Stability Assessment for Multi Paralleled 3-ø Pv Inverters Connected to Grid”. Power Research - A Journal of CPRI, June 2017, pp. 355-64, https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/125.