TY  - BOOK
AU  - Zief M
AU  -  Mitchell J W
TI  - Contamination control in trace element analysis
T2  - Chemical analysis; 47
U1  - E:3,E, L6 
PY  - 1976///
CY  - New York    
PB  -  John Wiley       
KW  - Radiation
N1  - Appendix 247-252p
ER  -