Studies on tall oil from pine and birch. 2, Unsaponifiable constituents in sulfate soaps and in crude tall oils - Holmbom, Bjarne; Avela, Eero (Åbo akademi, 1971)
Keywords: rauduskoivu; hieskoivu; mäntyöljy; mänty; Pinus sylvestris; Betula pendula; Betula pubescens