TY  - BOOK
AU  - Hjerting, J.P.
AU  - Hawkes, J.G.
TI  - Potatoes of Argentina, Brazil Paraguay, and Uruguay : a biosystematic study
T2  - (Annals of botany memoris; no.3)
PY  - 1969///
CY  - Oxford
PB  - Clarendon Press
ER  -