D. R. Fisher

Carboxylate-derived calixarenes with high selectivity for actinium-225

C. Wai, M. Ji, Xiaoyuan Chen, 1998 .

Ionizable Calixarene-Crown Ethers with High Selectivity for Radium over Light Alkaline Earth Metal Ions.

C. Wai, M. Ji, Xiaoyuan Chen, 1999, Inorganic chemistry.