52.

NASA Graphics Standards Manual (NHB 1430.2) (January 1976) - nasa_graphics_manual_nhb_1430-2_jan_1976.pdf

www.nasa.gov/wp-content/uploads/2015/01/nasa_graphics_manual_nhb_1430-2_jan_1976.pdf

National Aeronautics andNHB 1430.2
Space AdministrationJanuary, 1976
Graphics Standards Manual

graphics,manual,nasa