| |||
| rayonnement X; rayons X; rayons de roentgen | |||
| |||
| rayons de Rontgen | |||
|
rontgen rays : 2 phrases in 2 subjects |
| Nuclear physics | 1 |
| Radiation | 1 |
| |||
| rayonnement X; rayons X; rayons de roentgen | |||
| |||
| rayons de Rontgen | |||
|
rontgen rays : 2 phrases in 2 subjects |
| Nuclear physics | 1 |
| Radiation | 1 |