<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>7630</REFNUM><AUTHORS><AUTHOR>Van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>2000</YEAR><TITLE>Another look at the Logical Uncertainty Principle</TITLE><PLACE_PUBLISHED> Information Retrieval </PLACE_PUBLISHED><PUBLISHER>Kluwer</PUBLISHER><PAGES>15-24</PAGES><LABEL>Van Rijsbergen:2000:7630</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>