TY - JOUR AU - R. Bartels AU - A. Paul AU - Margaret Murnane AU - Henry Kapteyn AU - Sterling Backus AU - Y. Liu AU - D. Attwood BT - Optics Letters DA - 2002-05 DO - 10.1364/OL.27.000707 PY - 2002 EP - 707 T2 - Optics Letters TI - Absolute determination of the wavelength and spectrum of an extreme-ultraviolet beam by a Young's double-slit measurement VL - 27 SN - 0146-9592 ER -