Hopfer, U. 1982. Digestion and absorption of basic nutritional constituents. P. 1160 in Textbook of Biochemistry with Clinical Correlations, T.M. Devlin, ed. New York: John Wiley and Sons.
Lewis, R.J. 1996. Sax’s Dangerous Properties of Industrial Materials, 9th Ed., Vols 1-3. New York: Van Nostrand Reinhold.
NRC (National Research Council). 1988. Submarine Air Quality. Monitoring the Air in Submarines. Health Effects in Divers of Breathing Submarine Air Under Hyperbaric Conditions. Washington, DC: National Academy Press.
NRC (National Research Council). 1992. Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants. Washington, DC: National Academy Press.
NRC (National Research Council). 2002. P. 95 in The Airliner Cabin Environment and the Health of Passengers and Crew. Washington, DC: National Academy Press.
NRC (National Research Council). 2007. Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants, Vol. 1. Washington, DC: The National Academies Press.
Olcott, T.M. 1972. Development of a Sorbent Trace Contaminant Control System, Including Pre- and Postsorbers for a Catalytic Oxidizer. NASA CR-2027. Johnson Space Center, Houston, TX.
U.S. Naval Sea Systems Command. 1979. Submarine Atmosphere Control Manual. NVASEA S 9510-AB-ATM-010/(c). Unclassified section provided to the National Research Council’s Committee on Toxicology (as cited in NRC 1988).
Windholz, M., S. Budavari, L.Y. Stroumtsos, and M.N. Fertig, eds. 1976. P. 631 in the Merck Index: An Encyclopedia of Chemicals and Drugs, 9th Ed. Rahway, NJ: Merck.
Wong, K.L. 1994. Hydrogen. Pp. 139-141 in Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants, Vol. 1. Washington, DC: National Academy Press.