1. O. Frank, J. Jehlička, V. Hamplová, A. Svatoš
    Fullerene synthesis by alteration of coal and shale by simulated lightning
    Natural Fullerenes and Related Structures of Elemental Carbon. Berlin : Springer Verlag, 2006 - (Rietmeijer, F.J.M.) s. 241-254. ISBN 1-4020-4134-9. - (Developments in Fulleren Science. 6)