Rudenko, RR, EE Vasilevich, GO Zhdanova, KI Chizhick, IA Topchiy, and DI Stom. 2018. “The Use of Urban Sewage Sludge As a Substrate in a Microbial Fuel Cell”. International Journal of Engineering & Technology 7 (2.23): 277-80. https://doi.org/10.14419/ijet.v7i2.23.11931.