TY - RPRT TI - EUV efficiency of a 6000-grooves per mm diffraction grating AU - Hurwitz, Mark AU - Bowyer, Stuart AU - Edelstein, Jerry AU - Harada, Tatsuo AU - Kita, Toshiaki PY - 1990 UR - https://ntrs.nasa.gov/citations/19900046530 ID - 19900046530 ER -