Ray, B., & Speck, M. L. (1973). Discrepancies in the Enumeration of Escherichia coli.
Chicago Style aipamenaRay, B., and M. L. Speck. Discrepancies in the Enumeration of Escherichia Coli. 1973.
MLA aipamenaRay, B., and M. L. Speck. Discrepancies in the Enumeration of Escherichia Coli. 1973.
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