TY  - BOOK
AU  - Peterson, Glenn W.
TI  - Forest nursery diseases in the United States
U1  - 634.96 
PY  - 1975///
CY  - Washington
PB  - Forest Service, U.S. Departament of Agriculture
KW  - Árboles
KW  - Enfermedades
KW  - Viveros forestales
ER  -