00369nam a2200121Ia 4500008004100000082002000041100001300061245004500074260003500119300000900154630001800163650006600181211109s9999||||xx |||||||||||||| ||und|| a539.7222bHIR-X aHirst, H 0aX- Rays in Reserch and Industry, 2nd Edn bChapman & Co LtdaLondonc1946 a124p xGeneral Stack aNatural SciencesvPhysicsModern PhysicsAtomic PhysicsxX Rays