Bott, S., ATWOOD, J., BOTT, S., COLEMAN, A., ROBINSON, K., WHETSTONE, S., & MEANS, C. (1987). The oxonium cation in aromatic solvents. Synthesis, structure, and solution behavior of [H3O+.cntdot.18-crown-6][Cl-H-Cl]. Journal of the American Chemical Society, 109(26), pp. 8100-8101. doi:10.1021/ja00260a033

Bott, Simon, JL ATWOOD, SG BOTT, AW COLEMAN, KD ROBINSON, SB WHETSTONE, and CM MEANS. "The Oxonium Cation in Aromatic Solvents. Synthesis, Structure, and Solution Behavior of [H3O+.cntdot.18-crown-6][Cl-H-Cl]." Journal of the American Chemical Society 109, no. 26 (1987): 8100-8101.

Bott, Simon, et al. "The Oxonium Cation in Aromatic Solvents. Synthesis, Structure, and Solution Behavior of [H3O+.cntdot.18-crown-6][Cl-H-Cl]." Journal of the American Chemical Society 109.26 (1987): 8100-8101.