TY  - BOOK
AU  - Boky J A De Ed.
AU  -  Van Der Want J P H Ed.
TI  - Viruses of potatoes and seed-potato production
U1  - J341:423, M7 
PY  - 1987///
CY  - Wageningen
PB  - Pudoc         
KW  -  Potato
KW  - Agriculture
ER  -