1. For a current review on methods and applications of 2D-NMR methods, see: Two Dimensional NMR Spectroscopy. Applications for Chemists and Biochemists, 2nd edn, W.R Croasmun, R.M K. Carlson, eds., VCH Publishers, Weinheim, 1994
2. Principles of Nuclear Magnetic Resonance in One and Two Dimensions;Ernst,1987
3. R. Benn and A. Rufinska, Angew. Chem., 1986, 98, 851–871; Angew. Chem. Int. Ed. Engl., 1986, 25, 861
4. The Cinderella Nuclei
5. Two-Dimensional Correlation Spectroscopy by Scalar Couplings: A Walk Through the Periodic Table