Enemark, J H Stereochemical Control of Valence and Its Application to the Reduction of Coordinated NO and N(2). [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Dec 1972 - 3534-6 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.69.12.3534 doi