1. C. M. Huggins and G. C. Pimentel, J. Chem. Phys. 23, 896 (1955).JCPSA60021-9606
2. G. M. Barrow and E. A. Yerger, J. Am. Chem. Soc. 76, 5247 (1954).JACSAT0002-7863
3. G. C. Pimentel and A. L. McClellan, The Hydrogen Bond (W. H. Freeman and Co., San Francisco, Calif., 1960).
4. E. Fischer, Z. Naturforsch. 8a, 168 (1953).ZENAAU0044-3166
5. E. Fischer and R. Fessler, Z. Naturforsch. 8a, 177 (1953).ZENAAU0044-3166