Verkade
Recueil des Travaux Chimiques des Pays-Bas, 1916 , vol. 35, p. 302
Full Text Show Details
Polya; Spotswood
Journal of the American Chemical Society, 1949 , vol. 71, p. 2938
Wikstroem, Haakan Vilhelm; Andren, Per Erik; Carlsson, Per Arvid Emil; Dijkstra, Durk; Gunne, Lars; Van Vliet, Leonard Alexander
Patent: US6291494 B1, 2001 ;