Columbia subject headings:
Thin films, Multilayered--Congresses.
X-ray lithography--Congresses.
X-ray optics--Congresses.
Harvard subject headings:
Thin films, Multilayered--Congresses.
X-ray lithography--Congresses.
X-ray optics--Congresses.
Princeton subject headings:
X-ray lithography--Congresses.
X-ray optics--Congresses.