1. Sorptionskältemaschinen;Niebergall,1981
2. Regeln für den Entwurf von mehrstufigen Absorptionswärmepumpen;Alefeld;Brennstoff Wärme Kraft,1982
3. The highest efficiency gas direct-fired absorption heater-chiller;Kurosawa;ASHRAE Trans,1982
4. Advanced absorption heat pump cycles;Reimann,1984
5. Analysis of advanced residential absorption heat pump cycles;Phillips,1984