Characterization and enhancement of oil shale fly ash from CFB boilerPikkor, Heliis; Järvik, Oliver; Lees, Heidi; Konist, Alar; Siirde, Andres; Maaten, Birgit6th International Conference on Smart and Sustainable Technologies, SpliTech 20212021 / p. 1-4 https://doi.org/10.23919/SpliTech52315.2021.9566470 Characterization of ash melting of reed and wheat straw blendLink, Siim; Yrjas, Patrik; Lindberg, Daniel; Trikkel, AndresACS omega2022 / p. 2137-2146 : ill https://doi.org/10.1021/acsomega.1c05087 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Preliminary investigation of technological, physical and economic parameters of herbaceous biomass briquettesMenind, Andres; Oper, Liis; Kers, Jaan; Melts, Indrek; Olt, JüriLecture notes in information technology2012 / p. 134-140