D'Appolonia S.p.A., Genoa 16145, Italy;
Beijing Municipal Institute of Environmental Protection, Beijing 100037, China;
D'Appolonia S.p.A., Genoa 16145, Italy;
D'Appolonia S.p.A., Genoa 16145, Italy;
Ingegneria e Servizi Ambientali Ferro S.r.l., Savona 17100, Italy;
Ingegneria e Servizi Ambientali Ferro S.r.l., Savona 17100, Italy;
Beijing Municipal Institute of Environmental Protection, Beijing 100037, China;