| 000 | 00440nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 044 | _aPeru | ||
| 080 | _a635.214 95 W636E | ||
| 100 | _aWiersema, Siert G. | ||
| 245 |
_aEffect of stem density on potato production _cSiert G. Wiersema |
||
| 260 |
_bInternational Potato Center _aLima _c1987 |
||
| 300 | _a15p.; 22cm. | ||
| 490 | _a(Technical information bulletin; no. 1) | ||
| 942 |
_2udc _cPB |
||
| 999 |
_c19103 _d19103 |
||