Faulkner, Robert A Formation of a dimer of trinuclear helicates which encapsulates an array of six hydrogen-bonded anions. [electronic resource] - Angewandte Chemie (International ed. in English) Dec 2014 - 13540-3 p. digital Publication Type: Journal Article ISSN: 1521-3773 Standard No.: 10.1002/anie.201407645 doi