1. Elliott, S. B., A.C.S. Monograph Series No. 103, “The Alkaline-Earth and Heavy Metal Soaps,” Reinhold Publishing Corporation, 1946.
2. Wilson, E., British Patent 693,741 (1953), Chem. Abst.,48, 392 (1954).
3. Roon, L., Gotham, W., U.S. Patent 2,113,496 (1938).
4. Wagner, E. F., American Paint Journal,37, (21), 68–76 (1953).
5. Wendt, R. E., Official Digest of the Federation of Paint and Varnish Production Clubs,317, 378–80 (1951).