TY  - BOOK
AU  - Jones, A.L., ed.
AU  - Aldwinakle, H.S.
TI  - Compendium of apple and pear diseases
U1  - PA 634.119 J6 
CY  - Minnesota
PB  -  Aps press; The American Phytopathological Society
KW  - Manzana
KW  -  enfermedades
KW  - Pera
ER  -