Production technology of mortar-based building materials from the Arch of Trajan and the Roman Theatre in Benevento, ItalyFrancesco Izzo, Celestino Grifa, Chiara Germinario, Mariano Mercurio, Alberto De Bonis, Luigina Tomay and Alessio LangellaEur. Phys. J. Plus, 133 9 (2018) 363DOI: https://doi.org/10.1140/epjp/i2018-12229-1