<xml xmlns:o="urn:schemas-microsoft-com:office:office">
 <o:MainFile HRef="../silica_t6a.html"/>
 <o:File HRef="Book569_28961_image001.png" PublicationID="Book569_28961"/>
 <o:File HRef="Book569_28961_image002.png" PublicationID="Book569_28961"/>
 <o:File HRef="filelist.xml"/>
</xml>