N. H. El-Hammamy, M. N. El-Hammamy, N. M. El-Mallah, A. I. Kawana, and H. M. Moharem, “Conductance of s-Acetylthiocholine Chlorides in Non-Aqueous Solvents at 25 ºC”, ajc, vol. 25, no. 9, pp. 4760–4764, Apr. 2013.