Link to PDF: designwithdialogue.com/wp-content/uploads/2010/01/peterblock.pdf

The following also supports the ideas here: http://www.chaosmanagement.com/images/stories/pdfs/Notes%20on%20Peter%20Block%27s%20book%20on%20Community.pdf

As does http://kr.mnsu.edu/~jp5985fj/courses/230/Block.doc