| 000 | 00341nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140113s9999 xx 000 0 und d | ||
| 082 | _a631.527.52:635 H6 | ||
| 100 | _a"Ashton, T." | ||
| 245 | _aThe Use of heterosis in the production of agricultural and horticultural crops | ||
| 260 |
_a1949 _bCAB _cFarnham |
||
| 300 | _a30 | ||
| 942 | _cBK | ||
| 999 |
_c59434 _d59434 |
||