TY  - BOOK
AU  - Watkins, G. H.
ED  - American Phytopathological Society y St. Paul, Minn
TI  - Compendium of cotton diseases
U1  - PA 633.51016 W3 
CY  - St. Paul, Minn
PB  -  American Phytopathological Society
KW  - Algodón
KW  -  Enfermedades
ER  -