1 I.. Marson, J.E. Faller, G.. Cerutti, P.. De Maria, J.-M.. Chartier, L.. Robertsson, L.. Vitushkin, J.. Friedrich, K.. Krauterbluth, D.. Stizza, J.O. Liard, C.. Gagnon, A.. Lothhammer, H.. Wilmes, J.. Mäkinen, M.. Murakami, F.. Rehren, M.. Schnull, D.. Ruess, and G.S. Sasagawa, Metrologia 32, (1995).
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