<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6858</REFNUM><AUTHORS><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1988</YEAR><TITLE>Logic for information retrieval</TITLE><PLACE_PUBLISHED> Proceedings of AIAT '88, Rome, </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><LABEL>van Rijsbergen:1988:6858</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>