Distribution of the Sands graphite on stone paper, 21×29,5 cm, 2016 Frottages of the Samples Sassi/Stones. Reading the rockThin sectionsEvaluation of the Fine Dust Palazzetto Tito, VeniceFrottages Museo di Palazzo Poggi, Bologna mariateresa sartori2017-02-19T17:43:05+00:00