<XML><RECORDS><RECORD><REFERENCE_TYPE>1</REFERENCE_TYPE><REFNUM>6868</REFNUM><AUTHORS><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1984</YEAR><TITLE>Research and development in information retrieval</TITLE><PLACE_PUBLISHED>(Editor) </PLACE_PUBLISHED><PUBLISHER>Cambridge University Press</PUBLISHER><LABEL>van Rijsbergen:1984:6868</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>