Frier, J. P., & Frier, M. E. G. (1980). Industrial lighting systems. McGraw-Hill.
Chicago Style aipamenaFrier, John P., and Mary E. Gazley Frier. Industrial Lighting Systems. New York: McGraw-Hill, 1980.
MLA aipamenaFrier, John P., and Mary E. Gazley Frier. Industrial Lighting Systems. McGraw-Hill, 1980.
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