TY  - BOOK
AU  -  Ames,T.
ED  -  International Potato Research Center.
TI  -  Sweetpotato : :  major pests, diseases, and nutritional disorders / 
SN  -  9290601876
PY  - 1997///
CY  -  Peru : 
PB  -  International Potato Research Center, 
KW  -  Sweet potatoes
KW  -  Diseases and pests
ER  -