CATION RECOGNITION BY NEW DIESTER-CALIX[4]ARENEDIQUINONES AND DIAMIDE-CALIX[4]ARENEDIQUINONES AND A DIAMIDE-BENZO-15-CROWN-5-CALIX[4]ARENE (JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY, 1994)

(untitled) - Beer, P; Chen, Z; Gale, P; Heath, J; Knubley, R; Ogden, M; Drew, M