Randle, R. J., Roscoe, S. N., & Petitt, J. C. (1980). Effects of magnification and visual accommodation on aimpoint estimation in simulated landings with real and virtual image displays. National Aeronautics and Space Administration, Scientific and Technical Information Branch.
Chicago Style (17th ed.) CitationRandle, Robert J., Stanley Nelson Roscoe, and John C. Petitt. Effects of Magnification and Visual Accommodation on Aimpoint Estimation in Simulated Landings with Real and Virtual Image Displays. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1980.
MLA (9th ed.) CitationRandle, Robert J., et al. Effects of Magnification and Visual Accommodation on Aimpoint Estimation in Simulated Landings with Real and Virtual Image Displays. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1980.