000 | 00441nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 140208s9999 xx 000 0 und d | ||
044 | _aU.S.A. | ||
080 | _a635.21 B467P | ||
100 | _aBeukema, H.P. | ||
245 |
_aPotato improvement some : factors and facts _cH.P. Beukema and D.E. Van Der Zaag |
||
260 |
_bInternational Agricultural Centre _aWegeningen _c1979 |
||
300 | _a224p.;18cm. | ||
700 | _aZaag, D.E. Van Der | ||
942 |
_2udc _cPB |
||
999 |
_c10215 _d10215 |