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 Hardcover 
details (UK). (see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle)) 
details (United States). (see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle)) 
details (Germany). (see also: Kindle Ausgabe · Kindle Ausgabe · Kindle Ausgabe) 
details (Canada). (see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle)) 
ISBN:  978-0-521-26176-0 ISBN-10: 0-521-26176-7 
Cambridge University Press · 1988 
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