{"publishers": ["Hayden Book Co."], "lc_classifications": ["TK2861 .N26 1969"], "latest_revision": 3, "key": "/books/OL5291458M", "authors": [{"key": "/authors/OL2031265A"}], "publish_places": ["New York"], "edition_name": "Rev. 2d ed.", "pagination": "xii, 355 p.", "source_records": ["marc:marc_loc_2016/BooksAll.2016.part07.utf8:97768386:566"], "title": "Engineers' relay handbook.", "dewey_decimal_class": ["621.31/78"], "notes": {"type": "/type/text", "value": "Bibliography: p. 316-345."}, "number_of_pages": 355, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "languages": [{"key": "/languages/eng"}], "lccn": ["72011657"], "subjects": ["Electric relays -- Handbooks, manuals, etc."], "publish_date": "1969", "publish_country": "nyu", "last_modified": {"type": "/type/datetime", "value": "2020-10-05T09:50:30.134572"}, "works": [{"key": "/works/OL7139542W"}], "type": {"key": "/type/edition"}, "revision": 3}