{"source":"book","style":"apa","contributors": [{"function":"author","last":"Valens","first":"Evans","middle":"G"},{"function":"author","last":"Abbott","first":"Berenice"},{"function":"author","last":"Jaget","first":"Philip"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The attractive universe : gravity and the shape of space","publisher":"World Pub. Co.","city":"Cleveland","year":"1969"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"21343"}