(1989). Gas meters: Part 3. Specification for diaphragm meters of 6 cubic metres (or 212 cubic feet) per hour rating for working pressures up to 50 mbar. London: BSI.
Chicago Style CitationGas Meters: Part 3. Specification for Diaphragm Meters of 6 Cubic Metres (or 212 Cubic Feet) Per Hour Rating for Working Pressures Up to 50 Mbar. London: BSI, 1989.
MLA CitationGas Meters: Part 3. Specification for Diaphragm Meters of 6 Cubic Metres (or 212 Cubic Feet) Per Hour Rating for Working Pressures Up to 50 Mbar. London: BSI, 1989.
Warning: These citations may not always be 100% accurate.