SALAS, E.; Gómez-Rodriguez, M. L.; CROVETTO, G.; LÓPEZ-MARTÍNEZ, C. .; GARCÍA-FRASQUET, J.; THOMAS, J. Quantification Method of Secondary Amines through the Formation of Heavy Metal Ditiocarbamates in Mixtures Dioxane-Water. Ars Pharm 1996, 37, 569-574.