| 000 | 00442nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 044 | _aPeru | ||
| 080 | _a635.217 521 B841O | ||
| 100 | _aBryan, James E. | ||
| 245 |
_aOn-farm seed improvement by potato seed plot technique _cJames E. Bryan |
||
| 260 |
_bInternational Potato Center _aLima _c1981 |
||
| 300 | _a12p.; 22cm. | ||
| 490 | _a(Technical information bulletin; 7) | ||
| 942 |
_2udc _cPB |
||
| 999 |
_c19108 _d19108 |
||