Media type: E-Article Title: Electrocyclic reactions. II. Competition of steric and electronic effects and the stereochemistry of nonpolar 2 + 2 cycloadditions Contributor: Epiotis, Nicolaos D. imprint: American Chemical Society (ACS), 1972 Published in: Journal of the American Chemical Society Language: English DOI: 10.1021/ja00761a024 ISSN: 1520-5126; 0002-7863 Keywords: Colloid and Surface Chemistry ; Biochemistry ; General Chemistry ; Catalysis Origination: Footnote: