<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6855</REFNUM><AUTHORS><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1989</YEAR><TITLE>Proceedings of the 12th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval</TITLE><PLACE_PUBLISHED> Cambridge, Mass. (Editor) </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><LABEL>van Rijsbergen:1989:6855</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>