 | Surface Water Treatment by Roughing Filters - A Design, Construction and Operation Manual (SANDEC - SKAT, 1996, 180 p.) |
 |  | Part 2: Design, construction and operation of roughing filters |
| | 10. Detailed filter design |
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| Surface Water Treatment by Roughing Filters - A Design, Construction and Operation Manual (SANDEC - SKAT, 1996, 180 p.) |
| | Part 2: Design, construction and operation of roughing filters |
| | 10. Detailed filter design |
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