000 | 00417nam a2200109Ia 45e0 | ||
---|---|---|---|
008 | 131018n xxu |||gr||||Z||||||eng | ||
100 |
_aBlack, C. A, _eAuthor. |
||
245 | 0 |
_aLaboratory Methods of Soil Investigation Soil Fertility _cC. A. Black _hTextual Documents |
|
260 |
_a[s.l]: _bDepartment of Agronomy, IOWA, _c1961. |
||
300 | _a100. | ||
942 |
_2ddc _cTXT |
||
999 |
_c38051 _d38051 |