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DHAR, N. The Fourth World Fertilizer Congress. Nature 190, 1161 (1961). https://doi.org/10.1038/1901161a0
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DOI: https://doi.org/10.1038/1901161a0
Nature volume 190, page 1161 (1961)
DHAR, N. The Fourth World Fertilizer Congress. Nature 190, 1161 (1961). https://doi.org/10.1038/1901161a0
Issue Date:
DOI: https://doi.org/10.1038/1901161a0