| 000 | 00481cam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 180718b1992 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aZ212 C766 | ||
| 100 | _aConstant, Kurt Michael | ||
| 245 |
_aWorld nitrogen survey _cby Kurt Michael Constant, William F. Sheldrick |
||
| 260 |
_aWashington, D.C. _bIBRD _c1992 |
||
| 300 | _a190p. | ||
| 440 | _aWorld bank technical paper number 174, Asia technical department series | ||
| 650 | _aFertilizers | ||
| 700 | _aSheldrick, William F. | ||
| 999 |
_c226679 _d226679 |
||