VETTERICK, R. (Dick) .; WHITTEN, P. . Do You Have a Packaged Boiler? Modify it to Cogenerate... and Profit. Distributed Generation & Alternative Energy Journal, [S. l.], v. 16, n. 4, p. 66–80, 2001. DOI: 10.13052/dgaej2156-3306.1649. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14561. Acesso em: 14 may. 2026.