{"type": {"key": "/type/edition"}, "publish_date": "1970", "publish_country": "ve", "languages": [{"key": "/languages/spa"}], "title": "Las migraciones internas en el Peru", "subtitle": "ensayo", "by_statement": "He\u030bctor Mart\u00ednez", "authors": [{"key": "/authors/OL4651745A"}], "oclc_numbers": ["21778446"], "series": ["Colecci\u00f3n Continente"], "notes": {"type": "/type/text", "value": "Bibliography: p.267-275."}, "subjects": ["Internal Migration", "Population"], "subject_places": ["Peru"], "publishers": ["Monte Avila Editors"], "publish_places": ["Caracas"], "pagination": "267 p.", "number_of_pages": 267, "source_records": ["marc:harvard_bibliographic_metadata/20220215_017.bib.mrc:321916670:1141"], "full_title": "Las migraciones internas en el Peru ensayo", "works": [{"key": "/works/OL44090151W"}], "key": "/books/OL60306754M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-09-30T00:06:00.295445"}, "last_modified": {"type": "/type/datetime", "value": "2025-09-30T00:06:00.295445"}}