Water quality standars regulation
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
San Juan, P.R. :
Commonwealth of Puerto Rico Office of the Governor Environmental Quality Board,
1974.
|
| Subjects: |
| Item Description: | Datos tomados de la cubierta. |
|---|---|
| Physical Description: | 25 hojas ; 28 cm |