Johnsen, K.Kavoulakis, G. M.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1823510.17877/DE290R-12207enThe American Physical SocietyPhysical Review Letters530Probing Bose-Einstein Condensation of Excitons with Electromagnetic Radiation10.1103/PhysRevLett.86.858article (journal)