Rapid semi-quantitative determination of aspen lignin in lignocellulosic productsKallavus, Urve; Kärner, Kristi; Kärner, Kärt; Elomaa, Matti AnteroProceedings of the Estonian Academy of Sciences2015 / p. 105-112 : ill https://doi.org/10.3176/proc.2015.1S.06 https://artiklid.elnet.ee/record=b2716368*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS