TY  - BOOK
AU  - Charlesby,Arthur
TI  - Radiation sources
AV  - QC780 .C5 1964
U1  - 539.7 
PY  - 1964///
CY  - New York
PB  - The Macmillan Co.
KW  - Radiation
KW  - Local
KW  - Radioactivity
N1  - Includes bibliographies
ER  -