The Preface below is a PDF (Portable Document Format) document that must be downloaded to your hard drive. You will need the Adobe Acrobat Reader to view it. If you do not have the Adobe Acrobat Reader, you can download it from the Adobe web site for free.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073524107/41597/getacro.gif','popWin', 'width=138,height=101,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>

Preface (57142.0K)