Zamojska-Jaroszewicz, A., Matuszewska, A., Owczuk, M. and Wardzińska, D. (2013) “Potential methanogenic mixtures of substrates from agricultural”, Studia Ecologiae et Bioethicae, 11(2), pp. 149–157. doi: 10.21697/seb.2013.11.2.09.