1. Alexander, R.A., Knight, C.E., Whitehurst, D.D., 1990. Removal of diamondoid compounds from hydrocarbonaceous fractions. US Patent 4952749 A.
2. van der Waals Volumes and Radii;Bondi;J. Phys. Chem.,1964
3. Carlson, R.M., Dahl, J.E., Liu, Sh., Maesen, T., Qureshi, W.R., Kyung, H., Timken, C., 2007. Processes for concentrating higher diamondoids. US Patent 7173160 B2.
4. Diamondoid hydrocarbon ratios: novel maturity indices for highly mature crude oils;Chen;Org. Geochem.,1996
5. Molecular Models of Amino Acids, Peptides, and Proteins;Corey;Rev. Sci. Instr.,1953