TY  - BOOK
AU  - Young, Nick.
ED  - Centro Internacional de la Papa.
TI  - Seed potato systems in developed countries: : Canato, the Netherlands and Great Britain
U1  - 635.21 
PY  - 1990///
CY  - Lima, Perú
PB  - International Potato Center
KW  - Papa
KW  - Canadá
KW  - Gran Bretaña
KW  - Holanda
KW  - Industria
KW  - Semilla
N1  - D51-225
ER  -