(1961). Specification for lighting fittings for civil land aerodromes: Sec D2. Omni - Directional elevated runway-lighting fittings. London: BSI.
Chicago Style CitationSpecification for Lighting Fittings for Civil Land Aerodromes: Sec D2. Omni - Directional Elevated Runway-lighting Fittings. London: BSI, 1961.
MLA CitationSpecification for Lighting Fittings for Civil Land Aerodromes: Sec D2. Omni - Directional Elevated Runway-lighting Fittings. London: BSI, 1961.
Warning: These citations may not always be 100% accurate.