PESSI, Y. The temperature of peat soil at Leteensuo. Agricultural and Food Science, [S. l.], v. 34, n. 1, p. 12–17, 1962. DOI: 10.23986/afsci.71579. Disponível em: https://journal.fi/afs/article/view/71579. Acesso em: 26 may. 2024.