SICHE, R.; ORTEGA, E. Emergy and value of the net primary production (NPP) above ground in natural areas. Ecological Questions, [S. l.], v. 10, p. 99–101, 2008. DOI: 10.12775/v10090-009-0011-2. Disponível em: https://apcz.umk.pl/EQ/article/view/v10090-009-0011-2. Acesso em: 20 apr. 2024.