©2003-2005 John Kelly.

You may copy, reformat, reprint, republish, and redistribute this work in any medium whatsoever, provided that: (1) you only make such copies, etc. available free of charge ; (2) you clearly indicate that any derivatives of this work (including translations) are derived from this source document; and (3) you include the full text of this license in any copies or derivatives of this work. Otherwise, all rights reserved. Documents linked from this page may be subject to other restrictions. Transcribed from a file provided by the author. Last revised for Access to Insight on 16 June 2011.