{"type": {"key": "/type/edition"}, "publish_date": "1993", "publish_country": "xx", "languages": [{"key": "/languages/eng"}], "title": "Determinants of public transit ridership", "subtitle": "analysis of post World War II trends and evaluation of alternative networks", "by_statement": "by Zhi Liu", "authors": [{"key": "/authors/OL4700958A"}, {"key": "/authors/OL5321605A"}], "oclc_numbers": ["29297372"], "notes": {"type": "/type/text", "value": "Thesis (Doctor of Design)--Harvard University, 1993."}, "subjects": ["Transportation", "Passenger traffic", "Planning", "Local transit", "Population", "Statistics"], "subject_places": ["Oregon", "Portland", "Portland (Or.)"], "pagination": "vii, 167 leaves", "number_of_pages": 167, "source_records": ["marc:harvard_bibliographic_metadata/20220215_004.bib.mrc:19170196:2169"], "works": [{"key": "/works/OL43438874W"}], "key": "/books/OL59191223M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-05-25T22:56:40.402795"}, "last_modified": {"type": "/type/datetime", "value": "2025-05-25T22:56:40.402795"}}