Molecular flow and wall collision age distributions C. Baumgarten, B. Braun, G. Court, G. Ciullo, P. Ferretti, G. Graw, W. Haeberli, M. Henoch, R. Hertenberger, N. Koch et al. (10 more) Eur. Phys. J. D, 18 1 (2002) 37-49 Published online: 15 January 2002 DOI: 10.1140/e10053-002-0004-9