Effect of a shale oil–based additive on the properties of biodiesel fuelVallbaum, Erko; Muoni, Rein; Soone, JüriSolid fuel chemistry2018 / p. 44 - 52 https://doi.org/10.3103/S0361521918010093 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS The effect of various fuels on engine powerVallbaum, Erko; Muoni, Rein; Lavrentjev, JüriTarptautinis verslas : inovacijos, psichologija, ekonomika = International business : innovations, psychology, economics2016 / p. 40-54 : ill