| 000 | 00354nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aStevenson, W.H. and Others | ||
| 245 | _aCrop yields on soil experiment fields in Iowa | ||
| 260 |
_aAmes _c1924 |
||
| 300 | _a73-104 p. | ||
| 440 | _aIowa Agricultural Experiment | ||
| 901 | _a21758 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c3622 _d3622 |
||