WARWICK, W. M. . Lessons Learned from Requests for Competitive Power Prices. Distributed Generation & Alternative Energy Journal, [S. l.], v. 13, n. 4, p. 65–79, 1998. DOI: 10.13052/dgaej2156-3306.1347. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14757. Acesso em: 3 jul. 2026.