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Rock Carvings and the Late Dr. P. Harper-Kelley. Nature 198, 1146 (1963). https://doi.org/10.1038/1981146c0
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DOI: https://doi.org/10.1038/1981146c0
Nature volume 198, page 1146 (1963)
Rock Carvings and the Late Dr. P. Harper-Kelley. Nature 198, 1146 (1963). https://doi.org/10.1038/1981146c0
Issue Date:
DOI: https://doi.org/10.1038/1981146c0