INTEGRAL and XMM-Newton observations of the weak gamma-ray burst GRB 030227

S. Mereghetti, D. Gotz, A. Tiengo, V. Beckmann, J. Borkowski, T.J.L. Courvoisier, A. von Kienlin, V. Schoenfelder, J.P. Roques, L. Bouchet, P. Ubertini, A. Castro-Tirado, F. Lebrun, Joachim Paul, Niels Lund, J.M. Mas-Hesse, W. Hermsen, P.R. den Hartog, C. Winkler