%0 conference poster %@ %A Hollensteiner, S., Dieker, C., Jaeger, W., Michaelsen, C., Wiesmann, J., Bormann, R., Nowak %D 2001 %J MRS Fall Meeting 2001, Materials Research Society Symposium Proceedings %T Characterization of La/B4C multilayer mirrors for x.rays below 190EV %U %X