Isotopomer selective optimization of 39K85Rb+ and 41K87Rb+ using optimal controlA. Merli, F. Sauer, L. Wöste and A. LindingerEur. Phys. J. D, 42 2 (2007) 217-220DOI: https://doi.org/10.1140/epjd/e2007-00021-1