TY  - BOOK
ED  - Quality assurance branch
TI  - Measurement of total radium and radidum-226 in environmental waters : a tentative reference method
U1  - 363.7394 
PY  - 1976///
CY  - Washington, D.C.
PB  - United states government pinting office
KW  - Water quality
KW  - Water
KW  - Pollution
N1  - EPA-600/4-76-012
ER  -