1. Synthetic Multidentate Macrocyclic Ligands;Izatt,1978
2. Crown Compounds Their Characteristics and Applications;Hiraoka,1982
3. Crown Ethers and Cryptands (Monographs in Supramolecular Chemistry);Gokel,1992
4. The Chemistry of Macrocyclic Ligands Complexes;Lindoy,1989
5. Aza-Crown Macrocycles;Bradshaw,1993