7.
de Gennaro i in. 2003 – de Gennaro, R., Cappelletti, P., Cerri, G.,de Gennaro, M., Dondi, M., Guarini, G., Langella, A. I Naimo. D. 2003. Influence of zeolites on the sintering and technological properties of porcelain stoneware tiles. J. Europ. Ceram. Soc. 23, s. 2237–2245. de [8]Gennaro i in. 2007 – de Gennaro, R., Dondi, M., Cappelletti, P., Cerri, G. i in. 2007 – Zeolite-feldspar epiclastic rocks as flux in ceramic tile manufacturing. Mesoporous Microporous Mater. 105, s. 273–278.