{"source":"conference","style":"apa","conference": {"title":"The Copernican achievement" },"contributors": [{"function":"author","last":"Westman","first":"Robert","middle":"S"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The Copernican achievement","publisher":"University of California Press","city":"Berkeley","year":"1975"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"2088919","isbn":"0520028775 9780520028777"}