Ziemelis I, Putāns H, Iljins U, Ķikāns A. POSSIBILITIES FOR USING SOLAR ENERGY TOHEAT LOCAL WARMING OF NEW BORN PIGLETS. ETR [Internet]. 2001 Jun. 20 [cited 2024 Nov. 23];1:221-9. Available from: https://journals.ru.lv/index.php/ETR/article/view/1966