Preliminary environmental and economic assessment of polyurethane foam produced by microwave-assisted liquefaction of riparian shrubsAlessandro Cardarelli, Franco Cotana, Ilaria Baffo, Gianluca Cavalaglio and Marco BarbaneraE3S Web Conf., 312 (2021) 12007DOI: https://doi.org/10.1051/e3sconf/202131212007