000 | 00347nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
020 | _a889362939 | ||
080 |
_a628.18(063)(1-77) _bW926S |
||
245 | _aSanitation in developing country | ||
260 |
_aOttawa _c1981 |
||
300 | _a172p. | ||
440 | _aIDRC-168e | ||
901 | _a179419 | ||
942 |
_cB _2udc |
||
999 |
_c11852 _d11852 |