{"id":{"repo_id":"iastate","oai_identifier":"oai:dr.lib.iastate.edu:20.500.12876/66478"},"canonical_url":"https://search.dev.ndltd.org/etd/iastate/oai:dr.lib.iastate.edu:20.500.12876/66478","repository":{"repo_id":"iastate","name":"Iowa State University","base_url":"https://dr.lib.iastate.edu/server/oai/request"},"display":{"title":"Returns to scale in potato farming","abstract":"","abstract_html":null,"abstract_has_math":false,"creators":["Fellows, Irving"],"institution":null,"degree_name":"Doctor of Philosophy","degree_level":"dissertation","degree_discipline":null,"degree_department":"Economics and Sociology","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1952,"date_issued":"1952","date_published":"1952","updated_at":"2026-07-24T02:37:27Z","subjects":[],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/rtd-180813-14405"],"render_values":[{"text":"https://doi.org/10.31274/rtd-180813-14405","href":"https://doi.org/10.31274/rtd-180813-14405","code":true}]},{"key":"dc:identifier","label":"Identifier","values":["archive/lib.dr.iastate.edu/rtd/13042/"],"render_values":[{"text":"archive/lib.dr.iastate.edu/rtd/13042/","href":null,"code":true}]}]},"links":{"outbound_url":"https://dr.lib.iastate.edu/handle/20.500.12876/66478","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Economics and Sociology"]},{"key":"dc:creator","label":"Author","values":["Fellows, Irving"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2018-08-22T23:12:01.000"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2020-06-30T07:25:47Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2020-06-30T07:25:47Z"]},{"key":"dc:date.issued","label":"Date","values":["1952"]},{"key":"dc:type","label":"Dc Type","values":["dissertation"]},{"key":"thesis:degree_level","label":"Degree Level","values":["dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["archive/lib.dr.iastate.edu/rtd/13042/"]},{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/rtd-180813-14405"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://dr.lib.iastate.edu/handle/20.500.12876/66478"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Returns to scale in potato farming"]}]}],"canonical_facts":{"dc:contributor.department":["Economics and Sociology"],"dc:creator":["Fellows, Irving"],"dc:date":["2018-08-22T23:12:01.000"],"dc:date.accessioned":["2020-06-30T07:25:47Z"],"dc:date.available":["2020-06-30T07:25:47Z"],"dc:date.issued":["1952"],"dc:format.mimetype":["application/pdf"],"dc:identifier":["archive/lib.dr.iastate.edu/rtd/13042/"],"dc:identifier.doi":["https://doi.org/10.31274/rtd-180813-14405"],"dc:identifier.uri":["https://dr.lib.iastate.edu/handle/20.500.12876/66478"],"dc:language.iso":["en"],"dc:title":["Returns to scale in potato farming"],"dc:type":["dissertation"],"thesis:degree_level":["dissertation"],"thesis:degree_name":["Doctor of Philosophy"]},"updated_at":"2026-07-24T02:37:27Z"}