PORUBA, Aleš, REMEŠ, Zdeněk, FRIC, Jan, VANĚČEK, Milan, MEIER, J., TORRES, P., BECK, N., WYRSCH, N., SHAH, A. Microcrystalline thin film cells. Differences in the cell and material properties. In: OSSENBRINK, H. A., HELM, P., EHMANN, H., eds. Proceedings of 14. European Photovoltaic Solar Energy Conference. Vol. 1. Bedford: H.S. Stephens and Associates, 1997, s. 2105-2108. ISBN 1-901675-01-9.