# X-rays--Diffraction { "id": "S85148750", "title": "X-rays--Diffraction", "url": "/topics/S85148750", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "a6d7b53e8e799ce6", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "326726494443667972", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 19729, 14336 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85148750 No owner-reviewed local answer yet.