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It is understood that all persons copying this information will adhere to the terms
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to ensure the dissemination of scholarly and technical work on a noncommercial
basis. Copyright and all rights therein are maintained by the authors or by other
copyright holders, notwithstanding that they have been offered here electronically.
It is understood that all persons copying this information will adhere to the terms
and constraints invoked by each author's copyright. These works may not be
re-posted without the explicit permission of the copyright holder.
Many thanks to Sandra
Reid at UAB for her help
in preparing the materials
made available on this
site
Reid at UAB for her help
in preparing the materials
made available on this
site
photo by David R. Flege