"Tables of industrial gas container contents and density for oxygen, argon, nitrogen, helium and hydrogen" . . . . . . . . . . . "Tables of industrial gas container contents and density for oxygen, argon, nitrogen, helium, and hydrogen"@en . . . . . . . "TABLES OF INDUSTRIAL GAS CONTAINER CONTENTS AND DENSITY FOR OXYGEN ARGON NITROGEN HELIUM AND HYDROGEN"@en . . . "Tables"@en . . . "United States. National Bureau of Standards." . . . .