TY  - BOOK
AU  - Poston, John W
TI  - A half century of health physics : 50th anniversary of the health physics society
SN  - 9780781769341
U1  - 616.0757 RYA 
PY  - 2005///
CY  - Baltimore, Md
PB  - Lippincott Williams & Wilkins
KW  - Health Physics Society
ER  -