{"contributors":[{"last":"Irmas","first":"Deborah","function":"author"},{"last":"San Francisco Museum of Modern Art.","function":"author"}],"style":"apa","source":"book","isbn":null,"book":{"":""},"oclc":"11842415","pubnonperiodical":{"year":"1985","volume":"","title":"Signs of the times : some recurring motifs in twentieth-century photography : San Francisco Museum of Modern Art, 10 May-14 July, 1985."},"datasource":"http:\/\/www.worldcat.org","pubtype":{"main":"pubnonperiodical"}}