PČOLKINS, A.; BORISOVS, A. LIETDERĪGO PAZĪMJU ATLASE UN DAUDZDIMENSIJU DATU KLASTERIZĀCIJA UZ KOHONENA KARTES BĀZES. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 142–142, 1999. DOI: 10.17770/etr1999vol1.1889. Disponível em: https://journals23.rta.lv/index.php/ETR/article/view/1889.. Acesso em: 28 apr. 2025.