References
- CollinsB.L., and LernerN.D. 1983. Evaluation of exit symbol visibility. NBSIR 83–2675.
- FillibenJ.J. 1981. Dataplot: An interactive high-level language for graphics, non-linear fitting, data analysis and mathematics. Computer Graphics, 15: 199–213.
- HowettG.L. 1983. Size of letters required for visibility as a function of viewing distance and observer visual acuity. NBS Technical Note 1180.
- LernerN. D. 1981. Evaluation of exit directional symbols. NBSIR 81–2268.
- McNeilD.R. 1977. Interactive data analysis: A practical primer. New York: Wiley and Sons.
- National Fire Protection Association (NFPA). 1988. Life Safety Code, NFPA, 101. Section 5–8; 5–9; 5–10.
- Underwriters Laboratories. 1988. Report of determination of shape, size and visibility of directional arrows for exit signs (Report No. 1988–1, Subject 924). Santa Clara, CA: Underwriters Laboratories.
- YoungW. 1988–89. Evaluation of different directional symbols used with exit legend. Phases 1A and 1B. Lithonia Emergency Systems Internal Reports, December 20, 1988 and March 15, 1989. Evaluation of Directional Exit Signage, Phase II, November 10, 1989.
- BMDP. 1989. BMDP Statistical Software Program version 1988, release date 1989. Los Angeles, CA: BMDP.