Methods of estimating reserves of crude oil, natural gas, and natural gas liquids.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | U.S.A.
          Resources for the Future, Inc.
    
        c1965 | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | U.S.A.
          Resources for the Future, Inc.
    
        c1965 |