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| 020 | _a0 471 99655 6 | ||
| 020 | _ahard cover | ||
| 082 | 0 | 0 | _a628. 409 172 san |
| 100 | 1 | _a"0, . " | |
| 245 | 1 | 0 |
_asanitation in developing counties: _b/ _c .. |
| 250 | _a1 ed. | ||
| 260 |
_ausa : _bjohn wiley _c1978. |
||
| 300 |
_a"xiv, 237p.; _c23 cm." |
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| 504 | _a | ||
| 650 | 0 |
_aunderdeveloped area - sanitation-congresses _x |
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| 999 |
_c52665 _d52665 |
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