Aspect, A.Bouyer, P.Gerbier, F.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1896410.17877/DE290R-12306enThe American Physical SocietyPhysical Review Letters530Quasicontinuous Atom Laser in the Presence of Gravity10.1103/PhysRevLett.86.4729article (journal)