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Valkenburg, J A., C L. Woldringh, G J. Brakenhoff, H T. van der Voort, and N. Nanninga. Confocal Scanning Light Microscopy of the Escherichia Coli Nucleoid: Comparison With Phase-contrast and Electron Microscope Images. 1985.

Valkenburg, J A., et al. Confocal Scanning Light Microscopy of the Escherichia Coli Nucleoid: Comparison With Phase-contrast and Electron Microscope Images. 1985.