<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>6877</REFNUM><AUTHORS><AUTHOR>Harper,D.J.</AUTHOR><AUTHOR>Porter,M.F.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1981</YEAR><TITLE>The selection of good search terms</TITLE><PLACE_PUBLISHED> Information Processing and Management, 17 </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>77-91</PAGES><LABEL>Harper:1981:6877</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>