[1]
Ziemelis, I. et al. 2001. POSSIBILITIES FOR USING SOLAR ENERGY TOHEAT LOCAL WARMING OF NEW BORN PIGLETS.
ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference. 1, (Jun. 2001), 221–229
. DOI:https://doi.org/10.17770/etr2001vol1.1966.