Refunds and cancellations are not accepted. Prices for European subscriptions include postage and handling charges. Published prices expire on December 31, 1998. Orders from individuals require personal cheques, credit cards, or money orders. Institutions making payment for individual subscriptions will be invoiced for the balance of the institutional subscription rate.
Institutional orders require the full institutional subscription rate.
Prepayment is required for for all subscriptions. Pro-forma invoices may be sent, but issues will not be mailed without receipt of payment. Prices are subject to change without notice. Delivery of current year issues takes approximately two weeks after receipt of your order. If you order before the publication of the volume, you will receive issues as published.