000 | 00492nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 170101s1962 xx 000 0 und d | ||
082 | _a631.31 T30E | ||
100 | _aThaer, R. | ||
245 | 0 | _aExperiments with ridgers of different pitch and side angles | |
260 |
_aBedford, U.K. _bNational Institute of Agricultural Engineering _c1962 |
||
300 | _a34cm. 23L | ||
650 | _aAGRICULTURAL IMPLEMENTS | ||
653 | _aAGRICULTURAL ENGINEERING | ||
653 | _aAGRICULTURAL IMPLEMENTS | ||
942 |
_2ddc _cB |
||
999 |
_c55856 _d55856 |