BUCHTELE, J., BURDOVÁ, O., BURYAN, P., STRAKA, P. Co-porolysis of coal with waste materials. In: ZIEGLER, A., HEEK, K.H., KLEIN, J., WANZL, W., eds. Proceedings ICCS 97 - 9th International Conference on Coal Science. Essen: P&W Druck und Verlag, 1997, s. 869-872. ISBN 3-931850-20-X.