Buchtele, J., Roubíček, V., Burdová, O., Straka, P. Comparative co-pyrolysis coal/waste plastics. In: BAO QING LI, ZHEN YU LIU, ed. Prospects for Coal Science in the 21st Century. Taiyuan: Shanxi Science & Technology Press, 1999, s. 1211-1214. ISBN 7-5377-1640-4.