KÄNKÄNEN, H.; ERIKSSON, C.; RÄKKÖLÄINEN, M. Effect of annually repeated undersowing on cereal grain yields. Agricultural and Food Science, [S. l.], v. 10, n. 3, p. 197–208, 2001. DOI: 10.23986/afsci.5693. Disponível em: https://journal.fi/afs/article/view/5693. Acesso em: 7 may. 2024.