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Terms for subject Geology containing валентийский ярус | all forms | exact matches only | in specified order only
| Russian | English |
| валентийский ярус | Val (MichaelBurov) |
| валентийский ярус | Valentian stage (MichaelBurov) |
| валентийский ярус | Valentian (MichaelBurov) |
| валентийский ярус силурийского периода | Valentian stage |