Buss, R. J.Hebner, G. A.Ho, PaulineJohnson, D. S.Riley, M. E.2004-12-032004-12-0320012001http://hdl.handle.net/2003/178210.17877/DE290R-4548enThe American Physical SocietyPhysical Review Letters530Direct Determination of Particle-Particle Interactions in a 2D Plasma Dust Crystal10.1103/PhysRevLett.87.235001article (journal)