 |
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| acoustics | |||
| acoustics The science of the production, transmission and effects of sound (ciència i tecnologia) | |||
|
acustica : 4 do fraz, 1 tematyki |
| Ochrona środowiska | 4 |
|
| |||
| acoustics | |||
| acoustics The science of the production, transmission and effects of sound (ciència i tecnologia) | |||
|
acustica : 4 do fraz, 1 tematyki |
| Ochrona środowiska | 4 |