United States. National Bureau of Standards. (1944). Iron and Steel Relief Valves for Petroleum, Chemical, and General Industrial Services. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Bureau of Standards. Iron and Steel Relief Valves for Petroleum, Chemical, and General Industrial Services. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationUnited States. National Bureau of Standards. Iron and Steel Relief Valves for Petroleum, Chemical, and General Industrial Services. [s.n.], 1944.
Warning: These citations may not always be 100% accurate.