@article{DoehringSchoenhenseHeinzmann2019, author = {Thorsten D{\"o}hring and Gerd Sch{\"o}nhense and Ulrich Heinzmann}, title = {A circular polariser for the region of windowless VUV radiation}, journal = {Engineering Optics}, volume = {1992}, number = {May}, pages = {189 -- 195}, year = {2019}, }