ASHRAE standard.
        Wedi'i Gadw mewn:
      
    
                  | Awdur Corfforaethol: | |
|---|---|
| Fformat: | Cyfresol | 
| Iaith: | English | 
| Cyhoeddwyd: | 
      New York, N.Y. :
        
      The Society.    
    
     | 
| Pynciau: | 
| Disgrifiad o'r Eitem: | Vols. for <1983-> published: Atlanta, Ga. Description based on: [No.] 55 (1974).  | 
|---|---|
| Disgrifiad Corfforoll: | v. : ill. ; 28 cm. | 
| Publication Frequency: | Irregular | 
| ISSN: | 1041-2336 | 
| Eitemau Perthynol: | Companion publication: ASHRAE guideline. |