TY  - BOOK
AU  - "Kolthoff,I.M. and Elving, Philip.J., Eds."
TI  - Treatise on Analytical Chemistry -Vol. V. Part 2: Analytical Chemistry of the Elements.N.P.Th.Ti.Zr-Hf 
U1  - 543(021)   K1-5-2 
PY  - 0000///New York
CY  - 1961
PB  - Interscience
ER  -