Heat pump technology
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Upper Saddle River, NJ
          Prentice Hall
    
        c2002. | 
| Rhifyn: | 3rd ed. | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Upper Saddle River, NJ
          Prentice Hall
    
        c2002. | 
| Rhifyn: | 3rd ed. | 
| Pynciau: |