For the first time, a medieval rag-paper based collection has been surveyed using the non-destructive analytical instrument developed in the project SurveNIR. The collection of the Classense library in Ravenna is extraordinarily significant, with more than 800,000 items, among which is a collection of works of Dante Alighieri. […]

The presence of pollutants in the indoor air is known to contribute to the degradation of heritage objects stored or displayed in heritage institutions. […]