@article{10.1707/3618.35991,
author = {Ldf },
title = {Sfondo},
journal = {Ricerca & Pratica},
volume = {37},
number = {3},
pages = {120},
year = {2021},
month = {5},
publisher = {Il Pensiero Scientifico Editore},
issn = {2038-2480},
doi = {10.1707/3618.35991},
url = {http://dx.doi.org/10.1707/3618.35991},
}