The stones of Bologna
The stones of Bologna: the lithology of a city by Francesco Sciuto
https://ambiente.regione.emilia-romagna.it/en/geologia/archivio_pdf/notizie-eventi/2016_eurogeosurvey.pdf/view
https://ambiente.regione.emilia-romagna.it/@@site-logo/logo_rer_quadrato_bianco.png
The stones of Bologna
The stones of Bologna: the lithology of a city by Francesco Sciuto