Critchley, Andrew D. J.Hughes, Alan N.McNab, Iain R.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1847210.17877/DE290R-16090enThe American Physical SocietyPhysical Review Letters530Direct Measurement of a Pure Rotation Transition in H2+10.1103/PhysRevLett.86.1725article (journal)