KAĶIS, Roberts; BLUMBERGA, Dagnija; VĪGANTS, Ģirts. Guidlines for inventors “From idea to product”. International Conference “Environmental Engineering”, [S. l.], v. 11, p. 1–7, 2020. DOI: 10.3846/enviro.2020.695. Disponível em: https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/1259. Acesso em: 24 may. 2026.