<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>5203</REFNUM><AUTHORS><AUTHOR>Brewster,S.A.</AUTHOR><AUTHOR>Capriotti,A.</AUTHOR></AUTHORS><YEAR>1997</YEAR><TITLE>Using compound earcons to represent hierarchies</TITLE><PLACE_PUBLISHED>BCS HCI'97 Conference Companion HCI Letters </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>19-22</PAGES><LABEL>Brewster:1997:5203</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>