1. A general theory of exergy saving. I. On the exergy cost. II. On the thermoeconomic cost. III Energy saving and thermoeconomics in computer-aided engineering and energy systems;Valero,1986
2. Research Project by Ansaldo Ricerche S.r.l., Programa Español de Pilas. ENEA, CNR-ITAE, to the EU Commission,Contract JOE3-CT95-0026 within the Programme: Non-Nuclear Energy Programme JOULE III. Development of industrially Relevant MCFC Stacks (DIREM); 1999.
3. Recent achivement of Molcare programme: conditioning and testing the 100 kW-class MCFC stack.;Parodi,1999
4. Espuny A. Master Thesis: Análisis Termoeconómico de la Producción de Energía Eléctrica con Pilas de Combustible. Escuela Técnica Superior de Ingenieros de Minas de Madrid; February 2002.
5. Research Project Proposed by Ansaldo Ricerche s.r.l., Programa Español de Pilas de Combustible (PEP). Ente per le Nuove Tecnologie L'Energia e L'Ambiente and AMG-Palermo, to the EU Commission, # NNE5-1999-00236 within the Programme: Energy, Environment and Sustainable Development - ENERGIE. MCFC Series 500, Twin stack Powered First-of-a-Kind; 1999.