Media type: E-Article Title: Electronic states of cyclobutadiene heteroanalogs. Critical biradicaloids Contributor: Bonacic-Koutecky, Vlasta; Schoeffel, Klaus; Michl, Josef imprint: American Chemical Society (ACS), 1989 Published in: Journal of the American Chemical Society Language: English DOI: 10.1021/ja00198a024 ISSN: 0002-7863; 1520-5126 Keywords: Colloid and Surface Chemistry ; Biochemistry ; General Chemistry ; Catalysis Origination: Footnote: