TY  - BOOK
AU  - Wiersema, Siert G.
TI  - The production and utilization of seed tubers derived from true potato seed
U1  - 633.491 W648 
PY  - 1984///
CY  - Peru
PB  - CIP
KW  - Tubérculos
KW  - Semillas de papa
KW  - Peru
KW  - Papas
KW  - Producción
ER  -