X-rays,roentgen rays /ENERGY-ELEC/
[DE] Röntgenstrahlen
[EN] X-rays; roentgen rays
[FR] rayons X; rayons de Roentgen
X-radiation,X-rays,roentgen rays,röntgen rays /SCIENCE/
[DE] Röntgen-Strahlen; Röntgenstrahlung
[EN] X-radiation; X-rays; roentgen rays; röntgen rays
[FR] rayonnement X; rayons X; rayons de roentgen