Hawley, Gessner G., ed. Hawley's Condensed Chemical Dictionary. 11th ed. Revised by N. Irving Sax and Richard J. Lewis, Sr. New York: Van Nostrand Reinhold Co., 1987.

Hawley, Gessner G., ed. Hawley's Condensed Chemical Dictionary. 11th ed. Revised by N. Irving Sax and Richard J. Lewis, Sr. New York: Van Nostrand Reinhold Co., 1987.