| 000 | 00500 a2200169 4500 | ||
|---|---|---|---|
| 245 | 1 | _aEstimation of the trafficability of tractors according to the the stress in the soil under the traction devices | |
| 260 |
_aAuburn _c1970 |
||
| 650 | _aSoil Stress | ||
| 650 | _aTractors | ||
| 650 | _aTraction Devices | ||
| 700 | _aGorbunov, M.S., ed. | ||
| 100 |
_a _d |
||
| 300 | _a8 p. | ||
| 440 |
_aNo. PB 198, 445T _vAlabama National Tillage Machinery Laboratory |
||
| 942 |
_2udc _cB |
||
| 901 | _a128237 | ||
| 999 |
_c93076 _d93076 |
||