VOL. XVIII, N. 4, 2002, October-December	page
Original Papers
A. Fidanzio, G. Conte, P. Ascarelli, L. Azario, P. Viola, E. Cappelli, A. Piermattei Dosimetric Characterization of a Polycrystalline Diamond Detector Prototype in Radiotheraphy Beams abstract	129
I. Delfino, M. Lepore, P.L. Indovina Experimental evaluation of absorption coefficient in scattering media using different solutions to the diffusion equation abstract	135
Technical Note
P.H. van der Giessen Design, construction and performance of a secondary collimator for a cobalt unit abstract	143
EFOMP Document H.J. van Kleffens Implementation of the EC-Directives 97/43/Euratom [MED] and 96/29/Euratom [BSS] in Europe abstract	149