Phase Plate Polarimetry with Helical Undulator Sources L. Varga, C. Giles, C. Neumann, A. Rogalev, C. Malgrange, J. Goulon et F. de Bergevin J. Phys. IV France, 7 C2 (1997) C2-309-C2-313 DOI: 10.1051/jp4/1997207
