. 1939 Mar;37(3):277–284. doi: 10.1128/jb.37.3.277-284.1939
Cultural Requirements for the Production of Black Pigments by Bacilli
Francis E Clark
1, Nathan R Smith
1
Francis E Clark
1Soil Microbiology Investigations, Bureau of Plant Industry, United States Department of Agriculture
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Nathan R Smith
1Soil Microbiology Investigations, Bureau of Plant Industry, United States Department of Agriculture
Find articles by Nathan R Smith
1Soil Microbiology Investigations, Bureau of Plant Industry, United States Department of Agriculture
PMCID: PMC374463 PMID: 16560204