ZIEMELIS, Imants; PUTĀNS, Henriks; ILJINS, Uldis; ĶIKĀNS, Andris. POSSIBILITIES FOR USING SOLAR ENERGY TOHEAT LOCAL WARMING OF NEW BORN PIGLETS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 221–229, 2001. DOI: 10.17770/etr2001vol1.1966. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1966.. Acesso em: 3 may. 2024.