Producer Price Index by Industry: Search, Detection, and Navigation Instruments: Search, Detection, Navigation, and Guidance Systems and Equipment (PCU3345113345113)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Search, Detection, and Navigation Instruments: Search, Detection, Navigation, and Guidance Systems and Equipment [PCU3345113345113], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU3345113345113, .