"Btu{IT}/lb" . . . "BTU-IT-PER-lb"@en . "2326"^^ . "http://physics.nist.gov/Pubs/SP811/appenB9.html"^^ . "The amount of energy generated by a pound of substance is measured in British thermal units (IT) per pound of mass. 1 \\(Btu_{IT}/lb\\) is equivalent to \\(2.326 \\times 10^3\\) joule per kilogram (J/kg)."^^ . "AZ" . "http://www.efunda.com/glossary/units/units--energy_density--british_thermal_unit_it_per_cubic_foot.cfm"^^ . . . "[Btu_IT]/[lb_av]"^^ . . . "[Btu_IT].[lb_av]-1"^^ . . "\\(Btu/lb\\)"^^ . .