• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84924937821&origin=inward&txGid=04805ee8e1e23d1ff2ae218262b035fa https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000366504000007