His scholarly work on internal Cuban politics , notably on the 1996 purge of Havana 's Centre for American Studies ( CEA ) ( contained in the book `` El Caso CEA '' published in 1998 ) , has been the object of academic reviews , as it exposed the internal conflicts between Cuba 's political apparatus and the country 's intelligentsia , previously unknown .
His scholarly work on internal Cuban politics , notably on the 1996 purge of Havana 's Centre for American Studies ( CEA ) ( contained in the book `` El Caso CEA '' published in 1998 ) , has been the object of academic reviews , as it exposed the internal conflicts between Cuba 's political apparatus and the country 's intelligentsia ( most intelligent people ) , previously unknown .