@article { ISI:A1977DS70100019,
	title = {RELATIVISTIC EFFECTS ON INTERACTIONS BETWEEN HEAVY-ATOMS - HG-HG POTENTIAL},
	journal = {CHEMICAL PHYSICS LETTERS},
	volume = {49},
	year = {1977},
	pages = {479-484},
	issn = {0009-2614},
	doi = {10.1016/0009-2614(77)87019-X},
	author = {Pyper, N. C. and Grant, I. P. and Gerber, R. B.}
}
