1. Industrial heat recovery with heat transformers—practical applications and development of advanced systems;Bokelmann,1987
2. Heat pump research carried out by the European communities;Zegers,1987
3. Heat transformer cycles: Parts I and II;Stephan;Energy Economics and Management in Industry,1984
4. Aqua-ammonia heat transformers;Tyagi;Heat Recovery Systems & CHP,1987
5. Thermodynamic design data for absorption heat transformers operating on ammonia-water;Best;Heat Recovery Systems & CHP,1987