WORKS SITED / BIBLIOGRAPHY
Blake, Roland P. ed. Industrial Safety. 3rd ed. Englewood Cliffs, NJ: Prentice-Hall, Inc. 1963.
McCormick, Ernest J.. Human Factors Engineering. 3rd ed. New York: McGraw-Hill, Inc. 1970.
McElroy, Frank E., P.E. and Julian B. Olishifski, P.E. eds. Fundamentals of Industrial Hygiene. Chicago, IL. National Safety Council. 1971.
"Hearing." The American Heritage College Dictionary. 4th ed. Boston: Houghton Mifflin Company. 2004.
Tokay, Elbert. Fundamentals of Physiology: The Human Body and How It Works. Revised ed. New York. Barnes & Noble Books, a division of Harper & Row. 1972.
HEARING RESEARCH JOSEPH'S WEB HOME