| |||
| it has been necessary to amplify the wave theory of radiation by the quantum theory | |||
|
дополнить теорию : 1 phrase in 1 subject |
| Scientific | 1 |
| |||
| it has been necessary to amplify the wave theory of radiation by the quantum theory | |||
|
дополнить теорию : 1 phrase in 1 subject |
| Scientific | 1 |