000 00371nam a2200145Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a539.7222
_bWOR-X
100 _aWornop, B L
245 0 _aX- Rays
260 _bMethuen & Co. Ltd.
_aLondon
_c1946
300 _a126p.
630 _xGeneral Stack
650 _aScience
_vPhysicsModern physics
_xPhysics
942 _cBOOK
999 _c12275
_d12275