Kohl, I.Madsen, J. B.Simmons, J. B.Terry, N.Voronov, S. L.2004-12-032004-12-0320012001http://hdl.handle.net/2003/114610.17877/DE290R-4071enThe American Physical SocietyPhysical Review Letters530Control of Laser High-Harmonic Generation with Counterpropagating Light10.1103/PhysRevLett.87.133902article (journal)