| 000 | 00438nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 044 | _aU.S.A. | ||
| 080 | _a635.216 52 SW53G | ||
| 100 | _aSwiezynski, K.M. | ||
| 245 |
_aGeneral problems involved in the synthesis of parental lilnes for potato breeding _cK.M. Swiezynski |
||
| 260 |
_bNational Technical Information Service _aSpringfield _c1974 |
||
| 300 | _a26p.; 28cm. | ||
| 942 |
_2udc _cPB |
||
| 999 |
_c16407 _d16407 |
||