Biomass combustion systems: A review on the physical and chemical properties of the ashes L.J.R. Nunes J.C.O. Matias J.P.S. Catalão Publication Journal: Renewable and Sustainable Energy Reviews Year of Publication: 2016 Volume: 53 Pagination: 235-242 Identifiers Other Numbers: 2-s2.0-84941309508 Alternative titles DOIGoogle ScholarBibTeXRIS Locators