{"source":"book","style":"apa","contributors": [{"function":"author","last":"Keller","first":"Ulrich"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The Warsaw ghetto in photographs : 207 views made in 1941","publisher":"Dover Publications","city":"New York","year":"1984"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"82745346","isbn":"0486246655 9780486246659"}