@article{DoehringSchoenhenseHeinzmann1992, author = {D{\"o}hring, Thorsten and Sch{\"o}nhense, Gerd and Heinzmann, Ulrich}, title = {A circular polariser for the region of windowless VUV radiation}, series = {Engineering Optics}, volume = {1992}, journal = {Engineering Optics}, number = {May}, pages = {189 -- 195}, year = {1992}, subject = {Vakuumultraviolett}, language = {en} } @article{DoehringSchoenhenseHeinzmann1992, author = {D{\"o}hring, Thorsten and Sch{\"o}nhense, Gerd and Heinzmann, Ulrich}, title = {A circular polariser for the region of windowless VUV radiation}, series = {Measurement Science and Technology}, volume = {3}, journal = {Measurement Science and Technology}, number = {1}, pages = {91 -- 97}, year = {1992}, subject = {Vakuumultraviolett}, language = {en} }