D. C. Foyle, B. L. Hooey, J. R. Wilson, & W. J. Johnson (2002) HUD symbology for surface operations: Command guidance versus situation guidance formats, SAE Transactions: Journal of Aerospace, 111, 647-658
M. K. Kaiser, & W. J. Johnson (1993) Visual cues for vehicle control, Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting, 1375-1377