| 000 | 00367nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a551.48 | ||
| 100 | _aUnesco. | ||
| 245 | _aPhysical principles of water percolation and seepage.(Two Copies) | ||
| 260 |
_aParis _bUnesco _c1968 |
||
| 300 | _a464 | ||
| 650 | _aHydrology | ||
| 653 | _aHydrology | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c5307 _d5307 |
||