King, R B The role of "external" lone pairs in the chemical bonding of bare post-transition element clusters: the Wade-Mingos rules versus the jellium model. [electronic resource] - Dalton transactions (Cambridge, England : 2003) Nov 2008 - 6083-8 p. digital Publication Type: Journal Article ISSN: 1477-9226 Standard No.: 10.1039/b803958e doi