Standard methods for the examination of water and wastewater
| Awduron Corfforaethol: | , , |
|---|---|
| Awduron Eraill: | , , , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C.
American Public Health Association
[2017]
|
| Rhifyn: | 23rd edition. |
| Pynciau: |


