Sundaram, K., A. V. Datrange, R. Patil, P. Ravella, and S. Mungala. “Safe Method to Erect Towers With Electro-Rheological Fluids”. Power Research - A Journal of CPRI, Sept. 2013, pp. 449-58, https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/886.