TY  - BOOK
AU  - Worsnop,Bernard Lister
TI  - X-rays
T2  - Methuen's monographs on physical subjects
PY  - 1930///]
CY  - London
PB  - Methuen
KW  - X-rays
KW  - Local
N1  - "With 36 diagrams."; Includes index; Bibliography: p. 97
ER  -