http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Gas masks for gases met in fighting fires, with chapter on effects of gases on men and treatment of various forms of gas poisoning
1 online resource (vi+p. 3-71+ovolumes pages)
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.