title: A calix-bis-crown with hard and soft crown cavities: heterobinuclear K+/Ag+ complexation in solid and solution states.
authors.affiliation: Department of Chemistry, and Research Institute of Natural Science, Gyeongsang National University, Jinju 660-701, Republic of Korea.
authors.forename: Jai Young
authors.initials: JY
authors.lastname: Lee
authors.forename: Hyun Jee
authors.initials: HJ
authors.lastname: Kim
authors.forename: Chul Soon
authors.initials: CS
authors.lastname: Park
authors.forename: Wonbo
authors.initials: W
authors.lastname: Sim
authors.forename: Shim Sung
authors.initials: SS
authors.lastname: Lee