@article { ISI:A1972M268000008,
	title = {QUANTUM MECHANICAL PERTURBATION EXPANSION FOR SECOND VIRIAL-COEFFICIENT AND URSELL-MAYER FUNCTION},
	journal = {JOURNAL OF CHEMICAL PHYSICS},
	volume = {56},
	year = {1972},
	pages = {3773-\&},
	issn = {0021-9606},
	doi = {10.1063/1.1677777},
	author = {BAER, S and Ben-Shaul, A}
}
