| 000 | 00468nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230613b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0903031272 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a628.112 _bL6 |
||
| 100 |
_aWatt, S B _911522 |
||
| 245 |
_aHand dug wells: _bAnd their construction |
||
| 260 |
_aLondon: _bIntermediate Technology Publications Ltd, _c1976 |
||
| 300 | _a234p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c42557 _d42557 |
||