Textbooks on hydrology.
| Format: | Livre | 
|---|---|
| Langue: | English | 
| Publié: | [Paris]
          Unesco
    
        [c1970]. | 
| Collection: | Technical papers in hydrology
              6 | 
| Sujets: | 
| Format: | Livre | 
|---|---|
| Langue: | English | 
| Publié: | [Paris]
          Unesco
    
        [c1970]. | 
| Collection: | Technical papers in hydrology
              6 | 
| Sujets: |