TY  - BOOK
AU  - Harris,Paul M.
TI  - The potato crop: the scientific basis for improvement 
SN  - 0442314531 (USA)
AV  - SB211.P8 P775 1992
U1  - 635/.21 
PY  - 1992///
CY  - London, New York
PB  - Chapman & Hall
KW  - Potatoes
ER  -