TY  - BOOK
AU  - Fridlund, Paul R., ed.
TI  - Virus and viruslike diseases of pome fruits and simulating noninfectious disorders
U1  - PA 634.1198 F7 
CY  - Washington, D.C.
PB  -  College of Agriculture and Home Economics Washington State University
KW  - Manzana
KW  -  enfermedades por virus
KW  - Pera
ER  -