• Effect of birch false heartwood on the physical and mechanical properties of wood-plastic composites [Online resource]Kallakas, Heikko; Martin, Mihkel; Ayansola, Gbenga; Poltimäe, Triinu; Krumme, Andres; Kers, JaanTartu Ülikooli ASTRA projekt PER ASPERA : Funktsionaalsed materjalid ja tehnoloogiad : [7-8 märtsil 2018, Tallinn : teesid] GSFMT Scientific Conference 2018 : Tallinn, March 7-8, 2018 : abstracts2018 / 1 p http://fmtdk.ut.ee/teesid-2018/
• Influence of birch false heartwood on the physical and mechanical properties of wood-plastic compositesKallakas, Heikko; Ayansola, Gbenga; Tumanov, Tanel; Goljandin, Dmitri; Poltimäe, Triinu; Krumme, Andres; Kers, JaanBioresources2019 / p. 3554-3566 : ill https://doi.org/10.15376/biores.14.2.3554-3566 https://www.scopus.com/sourceid/5900153306 https://www.scopus.com/record/display.uri?eid=2-s2.0-85071130130&origin=inward&txGid=a0ca612eea61409486a491d60b861350 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BIORESOURCES&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000466449000077