| 000 | 00478nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1971 xx 000 0 und d | ||
| 082 | _a633.11 M17R | ||
| 100 | _aMackenzie, David R. | ||
| 245 | 0 | _aResults of the fourth international spring wheat yield nursery, 1967-68 | |
| 260 |
_aMexico, U.S. _bInt. Maize & Wheat Improvement Control _c1971 |
||
| 300 | _a23cm;12, 64 tables | ||
| 440 | _aResearch bulletin, no.18 | ||
| 650 | _aWHEAT | ||
| 653 | _aWHEAT | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c52679 _d52679 |
||