Water treatment and sanitation : a handbook of simple methods for rural areas in developing countries
H. T. Mann, D. Williamson
Bok Engelsk 1982
| Utgitt | London : Intermediate Technology Publications , 1982
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|---|---|
| Omfang | 96 s. : ill.
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| Utgave | 3rd rev. ed.
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| Emner | |
| ISBN | 090303123X
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