Melik-Alaverdian, VilenNightingale, M. P.2004-12-032004-12-0320012001http://hdl.handle.net/2003/59710.17877/DE290R-10396enThe American Physical SocietyPhysical Review Letters530Optimization of Ground- and Excited-State Wave Functions and van der Waals Clusters10.1103/PhysRevLett.87.043401article (journal)