| 000 | 00429 a2200157 4500 | ||
|---|---|---|---|
| 080 |
_a631.62:631.435.4 _bF 686 D |
||
| 245 | 1 | _aDrainage of heavy soils | |
| 260 |
_aRome _bF.A.O. _c1971 |
||
| 650 | _aSoil Drainage | ||
| 700 | _aFood and Agriculture Organisation, Rome | ||
| 700 | _aLand Water Development Division | ||
| 440 |
_aNo. 6 _vFAO, irrigation and drainage paper |
||
| 100 |
_a _d |
||
| 300 | _a109 p. | ||
| 901 | _a126936 | ||
| 999 |
_c82056 _d82056 |
||