{"identifiers": {"goodreads": ["1717935"]}, "title": "Abelian Group Theory", "authors": [{"key": "/authors/OL3249736A"}], "publish_date": "January 1, 1987", "publishers": ["Routledge"], "weight": "1 pounds", "languages": [{"key": "/languages/eng"}], "isbn_10": ["2881241662"], "isbn_13": ["9782881241666"], "covers": [2185514], "edition_name": "1 edition", "physical_format": "Hardcover", "physical_dimensions": "10 x 8 x 2 inches", "type": {"key": "/type/edition"}, "subjects": ["Production & quality control management", "Abelian Groups", "Mathematics", "Science/Mathematics", "Group Theory", "Mathematics / General"], "first_sentence": {"type": "/type/text", "value": "Abstract Some information is available about Heinz Prufer, one of the pioneers of Abelian group theory."}, "source_records": ["amazon:2881241662"], "key": "/books/OL9406057M", "works": [{"key": "/works/OL9179740W"}], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-20T06:23:41.732342"}}