@BOOK{NAP9133, title = "Permissible Exposure Levels for Selected Military Fuel Vapors", doi = "10.17226/9133", url = "https://nap.nationalacademies.org/catalog/9133/permissible-exposure-levels-for-selected-military-fuel-vapors", year = 1996, publisher = "The National Academies Press", address = "Washington, DC" }