| 000 | 00396nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aYamashita, J. | ||
| 245 | _aImprovement of weak foundation of paddy fields by subsurface drainage system fie | ||
| 260 | _aYatabe | ||
| 260 | _c1984 | ||
| 300 | _a71 p. | ||
| 440 | _aNo. 18; Japan, Tropical Agricu | ||
| 901 | _pS37117 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c125213 _d125213 |
||