Multiple swelling of pinewood (Pinus Sylvestris) in binary and ternary mixtures of ethanol, acetone and waterMeier, Pille; Kallavus, Urve; Rohumaa, Anti; Kaps, TiitMaterials science = Medžiagotyra2006 / 1, p. 25-30 : ill https://matsc.ktu.lt/index.php/MatSc/article/view/26397 Natural wood cell walls and their damage in unconventional conditions from the view-point of composite materialsGravitis, J.; Kallavus, Urve; Kokorevics, A.; Andersons, B.; Teeäär, R.Ninth International Conference on Mechanics of Composite Materials, October 17-20, 1995, Riga, Latvia : proceedings of conference1995 / p. 21 Steam explosion, submerged fermentation and wood cell wall structureGravitis, J.; Kallavus, Urve; Teeäär, R.; Lippmaa, E.; Zeltina, M.; Leite, M.Wood chemistry1993 / 1/3, p. 58-70 Совместимость компонентов лигноуглеводной матрицы клеточных оболочек древесиныAndersons, Bruno; Kallavus, UrveИсследования в области химии древесины : 4-я конференция молодых ученых : тезисы докладов1985 / с. 49-50 https://www.ester.ee/record=b1800892*est