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| Research Международная ассоциация по исследованиям загрязнения водных бассейнов | |||
| International Association for Water Pollution: 7 phrases in 5 subjects |
| Ecology | 2 |
| Makarov | 1 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Water supply | 2 |
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| |||
| Research Международная ассоциация по исследованиям загрязнения водных бассейнов | |||
| International Association for Water Pollution: 7 phrases in 5 subjects |
| Ecology | 2 |
| Makarov | 1 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Water supply | 2 |