<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>6643</REFNUM><AUTHORS><AUTHOR>Cockshott,P.</AUTHOR></AUTHORS><YEAR>1988</YEAR><TITLE>Persistence is a virtue</TITLE><PLACE_PUBLISHED> Program Now, Vol. 2, No. 3, </PLACE_PUBLISHED><PUBLISHER>Intra Press</PUBLISHER><PAGES>16..19</PAGES><ISBN>0952-8865</ISBN><LABEL>Cockshott:1988:6643</LABEL><KEYWORDS><KEYWORD>persistence</KEYWORD></KEYWORDS<ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>