Cette page a été validée par deux contributeurs.
This book is a preservation photocopy.
It is made in compliance with copyright law
and produced on acid-free archival
60# book weight paper
which meets the requirements of
ANSI/NISO Z39.48-1992 (permanence of paper)
Preservation photocopying and binding
by
Acme Bookbinding
Charlestown, Massachusetts
2000