References
- Mathias , A. 1965 . Tetrahedron , 21 : 1073
- Shoolery , J. N. Technical information bulletin , Vol. 2 , Varian Assoc. . No. 3
- Abraham , R. J. 1971 . “Analysis of High Resolution NMR Spectra,” , 96 Elsevier .
- Govil , G. and Bernstein , H. J. 1968 . J. Chem. Phys. , 48 ( 1 ) : 285
- Buckingham , A. D. 1960 . Can. J. Chem. , 38 : 300