Deadmore, D. L., & Sliney, H. E. (1987). Hardness of CaF₂ and BaF₂ solid lubricants at 25 to 670⁰C. National Aeronautics and Space Administration, Lewis Research Center.
Chicago Style (17th ed.) CitationDeadmore, Daniel L., and Harold E. Sliney. Hardness of CaF₂ and BaF₂ Solid Lubricants at 25 to 670⁰C. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1987.
MLA (9th ed.) CitationDeadmore, Daniel L., and Harold E. Sliney. Hardness of CaF₂ and BaF₂ Solid Lubricants at 25 to 670⁰C. National Aeronautics and Space Administration, Lewis Research Center, 1987.
Warning: These citations may not always be 100% accurate.