00454nam a22001577i 4500001001000000005001700010008004100027082002300068100003100091245004100122250001000163260004000173300001700213650004800230020001800278SXC00777920260819093431.0260101s1946    ii            000 0 eng d  a537.535 WOR-X2222  aWorsnop, B L; Chalkin, F C10aX-rays /cWorsnop, B L; Chalkin, F C  a2 ed.  abMethuen & Co. Ltd., London,c1946  ap. ;c22 cm. 0aX-rays and gamma rays; Electronics; Physics  a9781483282893