NEUTRON REFLECTION FROM AMORPHOUS HYDROGENATED CARBON FILMS M. J. GRUNDY, R. M. RICHARDSON, G. BEAMSON, W. J. BRENNAN, J. HOWARD et M. O'NEILLJ. Phys. Colloques, 50 C7 (1989) C7-197-C7-201DOI: https://doi.org/10.1051/jphyscol:1989720