Orzech A. Monosubstrate agricultural micro-biogas plant for liquid manure as a complement to the technological line in large-scale animal husbandry — practical verification. Eco-Energetics [Интернет]. 26 июнь 2019 г. [цитируется по 18 май 2024 г.];2:85-92. доступно на: http://ojs.gsw.gda.pl/index.php/Eco-Energetics/article/view/112