TY - JOUR A1 - Döhring, Thorsten A1 - Schönhense, Gerd A1 - Heinzmann, Ulrich T1 - A circular polariser for the region of windowless VUV radiation JF - Engineering Optics KW - Vakuumultraviolett KW - Strahlung Y1 - 1992 VL - 1992 IS - May SP - 189 EP - 195 ER - TY - JOUR A1 - Döhring, Thorsten A1 - Schönhense, Gerd A1 - Heinzmann, Ulrich T1 - A circular polariser for the region of windowless VUV radiation JF - Measurement Science and Technology KW - Vakuumultraviolett KW - Strahlung Y1 - 1992 VL - 3 IS - 1 SP - 91 EP - 97 ER -