@article {23035,
	title = {An Approximate Empirical anisotropic multi-parameter Intermolecular Potential for CF4{\textendash}He},
	journal = {Egypt.J.Phys.},
	volume = {35},
	year = {2004},
	pages = {293-310},
	author = {M.S.A.El-Kader}
}
