Wave phenomena.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Reading, Massachusetts
          Addison-Wesley Publishing Company
    
        c1967 | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Reading, Massachusetts
          Addison-Wesley Publishing Company
    
        c1967 |