| 000 | 00493nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230616b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a621.65.001.5 _bM5 |
||
| 100 | 1 |
_aYau, Goh Sing _911876 |
|
| 245 | _aLaboratory and field testing of handpumps | ||
| 260 |
_aOttawa: _bInternational Development Research Centre, _c1985 |
||
| 300 | _a138p. | ||
| 650 | _aHandpump | ||
| 653 | _aExperimental investigation | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c44388 _d44388 |
||