http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?f2-subject%3DLuis%20Alvarez Results for your query: f2-subject=Luis Alvarez Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-00154/apf1-00154.dc.xml http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-00154/apf1-00154.dc.xml Sat, 15 Apr 1905 12:00:00 GMT