THE EFFECTS OF MANUFACTURING INACCURACIES ON THE IMAGING PROPERTIES OF ZONE PLATES M.J. Simpson, M.T. Browne, R.E. Burge, P. Charalambous, P.J. Duke and A.G. Michette J. Phys. Colloques, 45 C2 (1984) C2-93-C2-96 DOI: 10.1051/jphyscol:1984223