National Research Council (U.S.). Task Group on BMDO New Technology Orbital Observatory, National Research Council (U.S.). Space Studies Board, National Research Council (U.S.). Commission on Physical Sciences, Mathematics, and Applications, & ebrary, Inc. (1995). High-purity chromium metal: Supply issues for gas-turbine superalloys. National Academy Press.
Chicago-viite (17. p.)National Research Council (U.S.). Task Group on BMDO New Technology Orbital Observatory, National Research Council (U.S.). Space Studies Board, Mathematics National Research Council (U.S.). Commission on Physical Sciences, ja Inc ebrary. High-purity Chromium Metal: Supply Issues for Gas-turbine Superalloys. Washington, D.C.: National Academy Press, 1995.
MLA-viite (9. p.)National Research Council (U.S.). Task Group on BMDO New Technology Orbital Observatory, et al. High-purity Chromium Metal: Supply Issues for Gas-turbine Superalloys. National Academy Press, 1995.