CARPANI, M.; GIUPPONI, C.; TREVISIOL, P. Evaluation of Agri-Environmental Measures in the Venice Lagoon Watershed. Nitrogen Budgets and Surplus Indicators. Italian Journal of Agronomy, [S. l.], v. 3, n. 3, p. 167–182, 2008. DOI: 10.4081/ija.2008.167. Disponível em: https://www.agronomy.it/index.php/agro/article/view/ija.2008.167. Acesso em: 20 oct. 2021.