SAL or airmail charges are available upon request. Cancellation must be received by September 30 to take effect at the end of the same year. Changes of address. Allow 6 weeks for all changes to become effective. Subscribers not in agreement with this procedure may send a written complaint to Springer-Verlag's Berlin office within 14 days of publication of this issue.
Prices are available on request.
Then take advantage of our new, free service LINK Alert.