{"publishers": ["U.S. G.P.O."], "subtitle": "hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, second session, April 16, 1982, Ontario, Calif., April 22 and 27, 1982, Washington, D.C.", "subject_place": ["United States", "California", "United States.", "California."], "lc_classifications": ["KF27 .A33277 1982b"], "key": "/books/OL3142856M", "authors": [{"key": "/authors/OL602411A"}], "publish_places": ["Washington"], "pagination": "v, 448 p. :", "source_records": ["marc:marc_loc_2016/BooksAll.2016.part14.utf8:154802577:1261", "marc:harvard_bibliographic_metadata/ab.bib.01.20150123.full.mrc:109416222:1531", "marc:harvard_bibliographic_metadata/20220215_001.bib.mrc:300772284:2057"], "title": "Sustainable agricultural systems", "dewey_decimal_class": ["333.76/0973"], "notes": {"type": "/type/text", "value": "Includes bibliographical references.\n\"Serial no. 97-PPP.\"\nItem 1010-A, 1010-B (microfiche)"}, "number_of_pages": 448, "languages": [{"key": "/languages/eng"}], "lccn": ["82603650"], "subjects": ["Land use, Rural -- United States -- Planning.", "Land use, Rural -- California -- Planning.", "Soil conservation -- United States.", "Soil conservation -- California."], "publish_date": "1982", "publish_country": "dcu", "works": [{"key": "/works/OL3571295W"}], "type": {"key": "/type/edition"}, "oclc_numbers": ["9167053"], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-21T20:36:51.034770"}}