DUNDURS, Jānis; LĀCIS, Miervaldis. Troksnis un vibrācija vidē - vides kvalitātes kritēriji. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 18–22, 1999. DOI: 10.17770/etr1999vol1.1914. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1914.. Acesso em: 2 may. 2024.