| 000 | 00349nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aDavidson, J.B. | ||
| 245 | _aLife, service and cost of service of farm machinery | ||
| 260 |
_aAmes _c1929 |
||
| 300 | _a257-275 p. | ||
| 440 | _aIowa Agricultural Experiment | ||
| 901 | _a21799 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c3652 _d3652 |
||