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_c39240 _d39240 |
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| 041 | _aEN | ||
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_a628.1 _bTHA _223 |
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| 100 | _aThanh, N. C. | ||
| 100 | _aHettiaratchi, J. P. A. | ||
| 245 |
_aSurface water filtration for rural areas : _bGuidelines for design, construction, and maintenance / _c[by] N. C. Thanh, J. P. A. Hettiaratchi |
||
| 260 |
_aBangkok _bEnvironmental Sanitation Information Center _c1990 |
||
| 300 | _a93 p. | ||
| 500 | _aIncludes appendix. | ||
| 509 | _aNS | ||
| 650 | _aWater | ||
| 650 | 4 |
_aGround water _97922 |
|
| 942 | _cS | ||