USA. Bureau of Soils |
Organ einer Körperschaft |
USA |
53878-4 | |
USA. Division of Forestry |
Organ einer Körperschaft |
USA |
53886-3 | |
Citrus Research Center and Agricultural Experiment Station | Körperschaft |
Riverside, Calif. USA |
53891-7 | |
Citrus Experiment Station | Körperschaft |
Riverside, Calif. USA |
53892-9 | |
Graduate School of Tropical Agriculture (Berkeley, Calif.) | Körperschaft |
Berkeley, Calif. USA |
53893-0 | |
USA. Office of Governmental and Public Affairs |
Organ einer Körperschaft |
USA |
53899-1 | |
University of Delaware. College of Agricultural Sciences | Körperschaft |
Newark, Del. USA |
53900-4 | |
Cooperative Extension Service (Newark, Del.) | Körperschaft |
Newark, Del. USA |
53901-6 | |
Georgia Coastal Plain Experiment Station | Körperschaft |
Tifton, Ga. USA |
53908-9 | |
Florida Cooperative Extension Service | Körperschaft |
Gainesville, Fla. USA |
53913-2 |