AXIAL OBSERVATION OF X-RAY SPECTRA FROM A BEAM-FOIL SOURCE J.M. LAMING, J.D. SILVER, R. BARNSLEY, J. DUNN, K.D. EVANS and N. J. PEACOCK J. Phys. Colloques, 49 C1 (1988) C1-339-C1-342 DOI: 10.1051/jphyscol:1988173