TY  - BOOK
AU  - SIERT WIERSOMA
TI  - PRODUCT DEVELOPMENT FOR ROOT AND TUBER CROPS
SN  - 9290601612
U1  - R633.4SC84P 
PY  - 1992///
CY  - PERU
PB  - INTERNATIONAL POTATO CENTER
KW  - PRODUCT DEVELOPMENT FOR ROOT AND TUBER CROPS
ER  -