Perkins, J. E., Bahlke, A. M., & Silverman, H. F. (1947). Effect of Ultra-violet Irradiation of Classrooms on Spread of Measles in Large Rural Central Schools Preliminary Report.
Citação norma ChicagoPerkins, James E., Anne M. Bahlke, and Hilda Freeman Silverman. Effect of Ultra-violet Irradiation of Classrooms On Spread of Measles in Large Rural Central Schools Preliminary Report. 1947.
MLA CitationPerkins, James E., Anne M. Bahlke, and Hilda Freeman Silverman. Effect of Ultra-violet Irradiation of Classrooms On Spread of Measles in Large Rural Central Schools Preliminary Report. 1947.
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