Hawley, Gessner G., ed. Hawley's Condensed Chemical Dictionary. 12th ed. Revised by Richard J. Lewis, Sr. New York: Van Nostrand Reinhold Co., 1993.

Hawley, Gessner G., ed. Hawley's Condensed Chemical Dictionary. 12th ed. Revised by Richard J. Lewis, Sr. New York: Van Nostrand Reinhold Co., 1993.