This is an authorized facsimile, made from the master copy
of the original book.
Out-of-Print Books on Demand is a publishing service of
UMI. The program offers xerog'raphic reprints of more than
100,000 books that are no longer in print.
The primary focus is academic and professional resource
materials originally published by university presses,
academic Societies and trade book publishers worldwide.
Books on Demand
University Microfilms international
A Bell & Howell Information Company
300 Nd Zeeb Road, Ann Arbor, Michigan 48106
800-521-0600 OR 313/761-4700
Printed in 1992 by xerographic process
on acid-free paper