Antonio Otelo Cardoso from Itaipu Binacional talks at the IHA 2011 World Congress (Portuguese)
(Source: ihacongress.org)
Domingo Rodrigues Fernandez from Itaipu Binacional talks at the IHA 2011 World Congress (Portuguese)
(Source: ihacongress.org)
Darci Miguel Schimidt talks at the IHA 2011 World Congress (Portuguese)
(Source: ihacongress.org)
Elcio Luis Zimmerman talks at the IHA 2011 World Congress (Portuguese)
(Source: ihacongress.org)
Jorge Samek from Itaipu Binacional talks at the IHA 2011 World Congress (Portuguese)
(Source: ihacongress.org)
