Copyright
©
1989
by
the
Hebrew University
of Jerusalem
Published
by
Princeton
University
Press
41
William Street
Princeton,
New
Jersey 08540
In
the United
Kingdom:
Princeton
University
Press, Chichester,
West
Sussex
All
Rights
Reserved
Publication
of
this translation
has
been aided
by
a
grant
from
the
National
Science Foundation
Printed in
the United States of
America
by
Princeton
Academic Press
ISBN:
0-691-08549-8
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