Hogervorst, W.Ubachs, W.Wolniewicz, L.de Lange, A.2004-12-272004-12-2720012001http://hdl.handle.net/2003/1931610.17877/DE290R-6962enThe American Physical SocietyPhysical Review Letters530Double-Well States of Ungerade Symmetry in H210.1103/PhysRevLett.86.2988article (journal)