TY  - DM
AU  - Weissenhorn,N.W.
TI  - The aphid:  a virus vector
SN  - 0-89054-316-X
PY  - 2004///
CY  - St. Paul, MN (USA)
PB  - APS Press, 
KW  - Aphids
KW  - Pest of plants
N1  - Includes informative pamphlet
ER  -