TY  - GEN
AU  - Hermann, M
AU  - Heller, J
TI  - Andean roots and tubers: aphipa,arracacha, maca and yacon
SN  - 9290433515
U1  - 635.1 
PY  - 1997///
CY  - Rome
PB  - IPGRI
KW  - Agriculture
ER  -