Ellipticity dependence of atomic and molecular high harmonic generationA. Flettner, J. König, M. B. Mason, T. Pfeifer, U. Weichmann, R. Düren and G. GerberEur. Phys. J. D, 21 1 (2002) 115-119DOI: https://doi.org/10.1140/epjd/e2002-00174-3