<book year="1994"><title>TCP/IP Illustrated</title><author><last>Stevens</last><first>W.</first></author><publisher>Addison-Wesley</publisher><price> 65.95</price></book><title>TCP/IP Illustrated</title><book year="1992"><title>Advanced Programming in the Unix environment</title><author><last>Stevens</last><first>W.</first></author><publisher>Addison-Wesley</publisher><price>65.95</price></book><title>Advanced Programming in the Unix environment</title><book year="2000"><title>Data on the Web</title><author><last>Abiteboul</last><first>Serge</first></author><author><last>Buneman</last><first>Peter</first></author><author><last>Suciu</last><first>Dan</first></author><publisher>Morgan Kaufmann Publishers</publisher><price> 39.95</price></book><title>Data on the Web</title><book year="1999"><title>The Economics of Technology and Content for Digital TV</title><editor><last>Gerbarg</last><first>Darcy</first><affiliation>CITI</affiliation></editor><publisher>Kluwer Academic Publishers</publisher><price>129.95</price></book><title>The Economics of Technology and Content for Digital TV</title>
