Kudo, Yoshihiro, Shinichi Nakajima, and Naoki Horiuchi. 2016. “Determination of Ion-Pair Formation Constants for MA+ Ions (M = Ca, Sr, Ba, Cu, Cd) With A- = Picrate Ion in Water by Picric Acid Extraction into Benzene”. Journal of Applied Solution Chemistry and Modeling 5 (2):71-75. https://doi.org/10.6000/1929-5030.2016.05.02.2.