M. V. S. Murali Krishna, V. V. R. Seshagiri Rao, R. P. Chowdary, N. Janardhan, N. Venkateswara Rao, and T. Ratna Reddy, “Investigations on Exhaust Emissions of a Low Heat Rejection Diesel Engine with Alternative Fuels”, CIEES-V6, pp. 126–139, Aug. 2021.