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IP address: 44.203.46.189
Time: 2024-08-03T04:14:08Z
URL: https://scholar.google.com/scholar_lookup?author=Nelson%20F.%20W.&journal=Scanning%20Electron%20Microscopy&pages=631-649&publication%20year=1985&title=Summary%20of%20the%20Results%20of%20Analysis%20of%20Obsidian%20Artifacts%20from%20the%20Maya%20Lowlands&volume=2