Scrapbook CopyPageInfo Plus is a modified version of the original Scrapbook Add-On CopyPageInfo, which you find here: http://amb.vis.ne.jp/mozilla/scrapbook/addons.php?lang=en#CopyInfo
You can use this extensions to copy various information of the documents you stored in your ScrapBook, e. g. title, date, source, etc.
You can also use this extension to create BibTex entries, see here:
This extensions works with XSidebar and Seamonkey and with ScrapBook Plus written by haselnuss. It will not longer work with ScrapBook Version 1.4.x because the API of ScrapBook has changed.
You find ScrapBook for Seamonkey with XSidebar here:
You find ScrapBook Plus for Firefox here:
Before you can use this add-on you have to uninstall the original extension CopyPageInfo. Don't enable both extensions CopyPageInfo and Scrapbook CopyPageInfo (bumped version) at the same time!