TY  - BOOK
ED  - British Standards Institution
TI  - BS 3224 : Section D7 : 1961 : Specification for lighting fittings for civil land aerobromes. Part D. Runway Lights. Section D7. Omni-directional elevated runway-Threshold lighting fittings
CY  - London
PB  - British Standards Institution
N1  - STD1394
ER  -