Study on Organic Molecular Complexes For Separation and Sensing K. Hiratani, T. Hamaya, H. Sakaguchi, K. Taguchi, K. Kasuga, H. Sugihara, T. Hirose, Y. Himeda, and T. Takahashi [J. Natl. Inst. Materials and Chem. Res., Vol.2, pp.499-576, 1994]