{"pk":30401,"title":"A Model of Early Chemical Reasoning","subtitle":null,"abstract":"","language":"eng","license":{"name":"","short_name":"","text":null,"url":""},"keywords":[],"section":"Submitted Papers","is_remote":true,"remote_url":"https://escholarship.org/uc/item/37m4k8w0","frozenauthors":[{"first_name":"Jan","middle_name":"","last_name":"Zytkow","name_suffix":"","institution":"Carnegie-Mellon University","department":""},{"first_name":"Patrick","middle_name":"","last_name":"Langley","name_suffix":"","institution":"Carnegie-Mellon University","department":""},{"first_name":"Herbert","middle_name":"A.","last_name":"Simon","name_suffix":"","institution":"Carnegie-Mellon University","department":""}],"date_submitted":null,"date_accepted":null,"date_published":"1984-01-01T13:00:00-05:00","render_galley":null,"galleys":[{"label":"PDF","type":"pdf","path":"https://journalpub.escholarship.org/cognitivesciencesociety/article/30401/galley/20252/download/"}]}