Style de citation APA

Zehr, J. P., Mellon, M. T., & Zani, S. New nitrogen-fixing microorganisms detected in oligotrophic oceans by amplification of nitrogenase (nifH) genes.

Style de citation Chicago

Zehr, Jonathan P., Mark T. Mellon, et Sabino Zani. New Nitrogen-fixing Microorganisms Detected in Oligotrophic Oceans By Amplification of Nitrogenase (nifH) Genes.

Style de citation MLA

Zehr, Jonathan P., Mark T. Mellon, et Sabino Zani. New Nitrogen-fixing Microorganisms Detected in Oligotrophic Oceans By Amplification of Nitrogenase (nifH) Genes.

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