SYNTHESES, COORDINATION, SPECTROSCOPY AND ELECTROPOLYMERIZATION STUDIES OF NEW ALKYNYL AND VINYL LINKED BENZO-CROWN AND AZA-CROWN ETHER BIPYRIDYL RUTHENIUM(II) COMPLEXES - SPECTROCHEMICAL RECOGNITION OF GROUP IA/IIA METAL-CATIONS - Beer, P; Kocian, O; Mortimer, R; Ridgway, C (1991)