Harrell, D. G. ., and R. . Jendrucko. “STEAM T URBINE V ERSUS P RESSURE REDUCING V ALVE O PERATION”. Distributed Generation &Amp; Alternative Energy Journal, vol. 18, no. 2, Mar. 2003, pp. 25-36, doi:10.13052/dgaej2156-3306.1823.