Cisneros Cunchillos, M., Ortiz Palomar, E. und Paz Peralta, J. Ángel 2020. Not everything is as it seems. Imitation marbles and semi-precious stones in roman glass. Madrider Mitteilungen. 54, (Aug. 2020), 275–299. DOI:https://doi.org/10.34780/mm.v54i0.1007.