{"source":"book","style":"apa","contributors": [{"function":"author","last":"Newton","first":"Isaac"},{"function":"author","last":"Hall","first":"A","middle":"Rupert"},{"function":"author","last":"Hall","first":"Marie","middle":"Boas,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Unpublished scientific papers of Isaac Newton; a selection from the Portsmouth collection in the University Library, Cambridge.","publisher":"University Press","city":"Cambridge [Eng.","year":"1962"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"774416","isbn":"0521294363 9780521294362"}