IC 348 proper motion study from digitised Schmidt plates R.-D. Scholz, J. Brunzendorf, G. Ivanov, N. Kharchenko, B. Lasker, H. Meusinger, T. Preibisch, E. Schilbach and H. Zinnecker Astron. Astrophys. Suppl. Ser., 137 2 (1999) 305-321 Published online: 15 June 1999 DOI: 10.1051/aas:1999249