SPRINZ, Detlef. Sugar Daddies, Airbus solution or liability?. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 23, n. 2, 2008. DOI: 10.14512/oew.v23i2.570. Disponível em: https://www.oekologisches-wirtschaften.de/index.php/oew/article/view/570. Acesso em: 24 mai. 2024.