| 000 | 00346 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aRidder, N.A., Eraz, A. | |
| 245 | 1 | _aOptimum use of water resources | |
| 260 |
_aWageningen _c1977 |
||
| 300 | _a1-250 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aWater Netherlands International Rice Research Institute. Technical Bulletin No. 21 | ||
| 901 | _aS29479 | ||
| 999 |
_c114342 _d114342 |
||