**Giovanni Battista Appetecchi**

ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development) Materials and Physicochemical Processes Technical Unit (SSPT-PROMAS-MATPRO), Via Anguillarese 301, S. Maria di Galeria, 00123 Rome, Italy; gianni.appetecchi@enea.it; Tel.: +39-06-3048-3924

Received: 9 November 2020; Accepted: 17 November 2020; Published: 21 November 2020
