HOW TO ORDER Some of the items in this catalog are available only through outside suppliers. The following guide has been included to help you select the proper source when ordering catalog items. ACM Doctoral Dissertation Award and Distinguished Dissertation Series The ACM Doctoral Dissertation Series is published by MIT Press and should be ordered by using the Order Form on Page of this catalog. Send orders to MIT Press, Massachusetts Institute of Technology, 55 Hayward Street, Cambridge, MA 02142. ACM Monograph Series The ACM Monograph Series is published by Academic Press. A 20% discount is available to all ACM Members. Order must include a check made payable to Academic Press and your active member number, if using the discount. Send order to: Academic Press, Manuscripts, Orlando, Florida 32887. Home Study Courses ACM offers home study courses through the ACM Professional Reference Program (see Page for complete listing). Send order to: ACM Professional Reference Program, 378 Halstead Avenue, Harrison, NY 10528, 914/835-5700. Microfiche and Microfilm Editions All of ACM's major journals published through 1984 are available in microfiche and microfilm (see complete listing on Page ). Microfilm editions are available from the Microfilm Department, Waverly Press, Inc., 428 East Preston Street, Baltimore, MD 21202, 301/528-4288. Both microfilm and microfiche editions are available from University Microfilms International, 300 North Zeeb Road, Dept. P.R., Ann Arbor, Michigan 48106, 1-800-521-0600. ACM Single Copy and Back Issue Orders Pages through of this catalog list the ACM conference and SIG conference proceedings available as of July 1987. These items can be ordered using the Single Copy and Back Issue Order Form on Page of this catalog, or by calling toll-free 1-800-342-6626 (from Baltimore, Alaska, and outside the U.S. call 301-528-4261). Standing Order Subscriptions Check the titles of the items you wish to receive on the Standing Order Subscription Form (Pages - ), and return it to the ACM Order Dept., P.O. Box 64145, Baltimore, MD 21264. Shortly before publication, you will receive an invoice for the item(s), and a copy will be reserved in your name. When your payment is received by the ACM Order Department, the item(s) will be shipped. You will automatically receive an invoice for each succeeding volume in the series. If you do not wish to receive the future editions, simply return the invoice marked "cancel". A Guide to ACM's Services The following guide will tell you where to direct inquiries regarding ACM services. Send all written requests to: For... --Membership Information (see Application on Pages 35-36) --Institutional Membership Information --Nonmember Subscription Information (see Application on Page 37) --Adding a SIG and/or Publications Subscription to your member record Contact: The Member Services Department For Technical Information Relating to a Special Interest Group or the appropriate SIG Chairperson, contact Fred Aronson or Marylou Rodriguez. For Conference Information contact Pegotty Cooper, ACM Conference Manager. For Chapter Information contact Ann Pagliaro, Chapter Manager. c/o ACM 11 West 42nd Street New York, NY 10036 212/869-7440 Telex: 421686