COMES, Tina; DOLL, Claus; FRÖHLING, Magnus; HIETE, Michael; ILSEN, Rebecca; KRAIL, Michael. Challenges for national clean air policy. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 25, n. 2, 2010. DOI: 10.14512/oew.v25i2.689. Disponível em: https://www.oekologisches-wirtschaften.de/index.php/oew/article/view/689. Acesso em: 3 mai. 2024.