Methods for chemical analysis of waters and wastewaters /
        Gorde:
      
    
                  | Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | 
      Ottawa :
        
      Dept. of Fisheries and Forestry, Water Quality Division,    
    
      1971.
     | 
| Gaiak: | 
| Deskribapen fisikoa: | 169 p. : ill. ; 28 cm. | 
|---|