Reagents for qualitative inorganic analysis. (Second report of the International Committee on New Analytical Reactions and Reagents of the International Union of Chemistry) / 
Union Internationale de Chimie. International Committee on New Analytical Reactions and Reagents.
Wenger, P. E.
Duckert, R.
Nieuwenburg, C. J. van.
Gillis, J.
New York; London, 
1948.