I. Štuhec, M. Vogrin-Bračič, M. Kovač, and Špela P. Malovrh, “Economical heating and temperature comfort of pigs in the farrowing house”, AAK, vol. 3, no. 2, pp. 129–133, Jul. 1999, Accessed: Dec. 05, 2025. [Online]. Available: https://journal.uni-mate.hu/index.php/aak/article/view/1371