Coal and coke - Analysis and testing, Part 10.3: Determination of trace elements - Coal, coke and fly-ash - Determination of boron content - Spectrophotometric method
Coal and coke - Analysis and testing, Part 10.3: Determination of trace elements - Coal, coke and fly-ash - Determination of boron content - Spectrophotometric method
Information technology - Structure for the identification of organizations and organization parts, Part 1: Identification of organization identification schemes