Pure and Applied Chemistry, 1970, Volume 24, No. 1, pp. 235-256, Cited by

Pure Appl. Chem., 1970, Vol. 24, No. 1, pp. 235-256

http://dx.doi.org/10.1351/pac197024010235

Spin, the great indicator of valence behaviour

J. H. Van Vleck

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