000 | 00356nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
100 | _aMarx, Robert E., Birkhead, James W. | ||
245 | _aHay harvesting methods and costs | ||
260 |
_aWashington _c1951 |
||
300 | _a1-122 p. | ||
440 | _aUnited States Department of A | ||
901 | _a32060 | ||
942 |
_cB _2udc |
||
999 |
_c6201 _d6201 |