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| in the catchment of a river (Alexander Demidov) | |||
| В бассейнах рек: 21 phrases in 11 subjects |
| Astronautics | 1 |
| Australian | 1 |
| Fishery fishing industry | 1 |
| General | 4 |
| Geography | 1 |
| Hydraulic engineering | 4 |
| Makarov | 1 |
| Military | 1 |
| Politics | 1 |
| United Nations | 4 |
| Water supply | 2 |