Shlomit  Kraus, Almog, Joseph , and Mandler, Daniel . 2010. ?Selective Complexation Between A Novel Bowl-Shaped Molecule And Fe3+ Or Pdcl42- Ions?. Inorganica Chimica Acta, 363, Pp. 2677-2681. doi:10.1016/j.ica.2010.04.032.