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2. Refrigeratori ad assorbimento a gas (gas absorption chillers);Robur;Technical Brochure,1994
3. Assorbimento: un'alternativa efficace per il condizionamento ambientale e la refrigerazione industriale;Formigoni,1993
4. Performance prediction of a NH3 H2O absorption heat pump;Lazzarin,1983
5. Physical and thermodynamic properties of ammonia-water mixtures;Macriss,1960