da riorganizzare: - https://gitlab.com/giuseppesilvi/musebib/-/blob/master/ottocento.bib - https://gitlab.com/giuseppesilvi/musebib/-/blob/master/novecento.bib - https://gitlab.com/giuseppesilvi/musebib/-/blob/master/score.bib - https://gitlab.com/giuseppesilvi/musebib/-/blob/master/tech.bib
da riorganizzare: