Frei, D., Hollis, J.A., Gerdes, A., Harlov, D., Karlsson, C., Vasquez, P., Franz, G., Johansson, L. and Knudsen, C. 2006. Advanced in situ geochronological and trace element microanalysis by laser ablation techniques. GEUS Bulletin. 10, (Nov. 2006), 25–28. DOI:https://doi.org/10.34194/geusb.v10.4884.