| 000 | 003720000a22001450004500 | ||
|---|---|---|---|
| 008 | 151211t1979 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a90-70260-59-X | ||
| 041 | _aeng | ||
| 080 |
_a626.82 _bV3 |
||
| 942 | _cBK | ||
| 100 | _aVan Beers, W.F.J. | ||
| 245 | _aSome nomographs for the calculation of drain spacings | ||
| 250 | _a3d ed. | ||
| 260 |
_aWageningen _bILRI _c1979 |
||
| 999 |
_c138846 _d138846 |
||